Sturmey archer gear ratios. If the bicycle is stationary simply select gear required.
Sturmey archer gear ratios 17 and 2. If the bicycle is stationary simply select gear required. 626 2nd Gear: 0. The Sturmey Archer 4-speed hub started in 1939 with the AF close ratio 4-speed and the FM medium ratio 4-speed. Screen Shot 2020-03-27 at 2. 4 Gear ratios Sturmey-Archer S80[W] 8-speed hub gears have the following ratios: 1st gear 1. 33 Standard Ratio Close Ratio 1 For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 409%. If you recall the main Sturmey-Archer gear page on the site you couldn't fail to notice that the "b" shaped incuts are exactly the same as those in Reilly's 2 speed Hub design. 11 and 6. 28 and 7. I know on the AW’s they advise against less than a 2:1 chainring to cog ratio. 5 Brake operation To activate the brake, pull the appropriate brake lever on The Sturmey Archer 3-speed hub is world famous, but there were many different designs. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • 6061 A luminium hub shell • 22 teeth flange sprocket It used a Sturmey-Archer bicycle hub gear to provide a range of speeds. 0mm - Over Locknut Dimension: 127mm - Right Axle Protrusion Length: 24mm - Left Axle Protrusion Length: 24mm - Spoke Holes: 36H - Pitch Circle For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 0 3rd 1. . 5lbs of weight and $140 over the cost of the single speed, but the venerable 3-speed Sturmey Archer hub is easy to operate and virtually bomb-proof. A higher top drive ratio imposes more forward torque on the frame. 5-Speed internal gear hub with gear ratio of 243%. 10 7th gear 2. These hubs are built to last, and are backed by a strong reputation for quality and performance. his article gathers information common to many models of Sturmey-Archer internal-gear hubs. It has been tested under extreme conditions NOTE THESE FEATURES:- Gear Ratio. For the best performance, please follow Sprocket size for sturmey archer 3 speed. 2 and AT5 Wide-Ratio 5-Speed Bicycle Hubs Tweet: by Sheldon "5, 4, 3, 2, 1" Brown. Your lower gear will then have 77 gear inches or 30kmh (18mph) or a ratio of 2. 2016-03-12. ; Electric P Line Explore 12-Speed (16. Rainy, dark winters are the perfect time to hunker down and disassemble something. Navigation; Home; About Gear Ratio • Overall Range - 325% • Gear 1 - 100% (Direct Drive) • Gear 2 - 130% (Gear 1 + 30%) • Gear 3 - 148% (Gear 2 + 14%) From the Sturmey Archer site. (Blue 32H) Weight Spoke Holes Pitch Circle Diameter Flange Width Spoke Compatibility Sprocket Teeth 3/32" Sprocket Teeth 1/8" Chain Line (B) 36H / (C) 32H 100% Direct Drive [Gear 2 (+) 33%] S3X 62. The Sturmey Archer 8 speed hub is unusual in that the 1:1 gear is the lowest gear and the next seven gears all have the drive output changed by the internal gearing. Location You would have a middle gear somewhere around 60" , a 45" climbing gear and an 80" "tailwind gear" (these gear sizes are educated guesses - you can find Sturmey Archer AW Hub Overhaul: Curiouser and Curiouser. 75 3rd Gear: 1. (It always struck me as a sort of crude way to limit the torque or force exerted on the hub. It’s great fun and ideal for many things, just got to get a few refinements like the top gear ratio just right yet though. 67 1st. All the internal parts are identical. Now, thanks to Highpath Engineering, the wide-ratio You get the same low maintenance and clean look, but you will be happier with the gear ratio for the two different scenarios and you will also be saving your knees for when you get old. Fit the dust-cup (1), cassette (2) onto the driver. 5% • Gear 2 - 75% (-)25% (Gear 1 + 20%) • Gear 3 - 100% Direct Drive (Gear 2 + 33%) Does this mean that gear one has 62. com : Sturmey Archer Cs-Rk3 3X9-Sp Disc Hub, 32H - Black - HKF3K. • 5-Speed internal gear hub with gear ratio of About the Sturmey-Archer S5, S5. Sturmey Archer Spare Parts; Brake Parts; Others; Tools; Tyres & Tubes; H&H Studio Items; News; References; Search： is ; Gear Ratios. On a 5-speed this is third gear on the right side (middle position) and the For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 46-18, 48-18 (18 is stock), 48-20- I think Sturmey Archer set the stock gear ratio too high on these hubs. at Sturmey-Archer has - for the moment reached its high point in the introduction a range of 7 speed hubs the Sprinter-7 range. Having lots of available gear ratios is helpful Compression ratio 4. I am currently riding a 52/24 on mine, that gives ma a 2. Sturmey Archer S-RF3 parts diagram. The rich history of Sturmey-Archer began in Nottingham England in 1902 with the invention of the world’s first 3-speed internal gear hub for bicycles. 4 Gear ratios Sturmey-Archer C50 5-speed hub gears have the following ratios: 1st gear 0. 4 Gear Ratios My bike is set up with a top gear of just 63” and that allows me to both make good progress and usually hold the top gear along the undulating ‘c’ class rides that I use the bike on, middle gear (direct drive) is good for climbing noticeable inclines - and mechanically efficient - and the bottom gear (about 35”) will winch me up most in fairness the 3-2 shift on a 5s hub isn't much different to the 2-1 shift on a 3s hub, so if gear 2 is low enough -and it is almost as low as gear 1 on a 3s if direct drive (gear 2 on the 3s and gear 3 on the 5s) is set the same- then maybe the 5s hub would be OK. 3 Gear Changing Stop pedal and select the gear required, then go on pedaling. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • 6061 Aluminium hub shell • 22 Teeth flange sprocket 46-18, 48-18 (18 is stock), 48-20- I think Sturmey Archer set the stock gear ratio too high on these hubs. The Sturmey-Archer FM: F for Four, M for Medium ratio. Tel: Sturmey Archer S-RF3. 1904: The first catalogue : 1905: Type ASC 3-speed close ratio fixed gear hub : Type AG 3-speed 6 volt Dynohub : Type FC close ratio 4-speed hub : Sturmey Archer RS-RK3 3 Speed Hub: 32H, 135OLD, 6-Bolt Disc, Silver. 24 and so the torque on the frame is 0. It started in sixth grade while changing cogs on my three speed to find the right fit. 50 8 gear 3. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell 1. you might want to set the gear range a bit higher, as the steps between gears are smaller. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell Congratulations on your purchase of a Sturmey-Archer internal gear hub. I mentioned this at my LBS and they were not too keen to use an SA 5-speed, as going back to about 2006, they had heard about a lot of problems with SA 5-speed hubs and did not want to recommend using them without advising me to check - 3 Speed internal gear hub without brake (freewheel) - 175mm axle length - Classic 3 speed gear ratio of 177% Specs: - Hub Shell Material: 6061 Aluminium - Axle Diameter: 13/32' Slotted - Axle Length: 175. BX : Bike Hubs : Sports & Outdoors. 1 1. 30 3rd gear 1. Product. simply select the gear required. 2 Gear Ratios The AWC hub has three gears: 1st gear - Decrease of 25% 2nd gear - Direct Drive 3rd gear - Increase of 33% BrommiePlus is a Brompton replacement wheels, wheelsets, drivetrain, transmission modification specialist. Your Cart. LIST OF AVAIL-ABLE GEAR RATIOS UP TO 1928 INCLUSIVE. 00 Sale price $320. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell Long-term readers may recall that the bankruptcy of hub gear manufacturer Sturmey Archer in the summer of 2000 left Brompton short of a suitable 5-speed hub. 1% 3rd gear - Direct Drive Increase of 26. Menu. The only differences are the washer and axle nuts used to bump the lock nut distance from 109mm to Brompton's 111mm. 25 For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Special shifter setup Sturmey-Archer for contact information on the availability of these greases. 1800g. Both of these hubs had primary and secondary gear trains. 92 6th gear 2. 25 5th gear 1. In first and second gear, the side incuts of the driver locate on two internal pawls on the gear ring. • 4-Speed internal gear hub with gear ratio of 210% • Gear steps of 28%, 28% and 28% Unfortunately this means the ratios are also further apart. 3 kg) - £3,150. Gear Ratio • Overall Range - 177% • Gear 1 - 75% (Gear 2 - 25%) • Gear 2 - 100% (Direct Drive) • Gear 3 - 133% (Gear 2 + 33%) For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • A356 Aluminium hub shell • 36 spoke holes For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 12 Speed - A Sturmey archer hub combined with our 4-speed external system. 1 AB, SAB3, X-RD3, XL-RD3 6 Speed- This redesigned Sturmey Archer hub combines three wider internal gear ratios and our compact 2-speed gears externally to give a total of 6 gears. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • With reversed gear • 6061 Aluminium hub shell BrommiePlus is a Brompton replacement wheels, wheelsets, drivetrain, transmission modification specialist. 86 6th gear 2. The Brompton Standard Gear Range (BSR) provides three evenly spaced gears, so you can climb hills, cruise in normal traffic or haul ass when you have a tailwind The Sturmey Archer 3-speed hub is world famous, but there were many different designs. view your cart. I recently replaced a 1974 AW3 sturmey archer hub with a brand new SRF3 sturmey archer hub. The 3-speed option does add about 1. Navigation; Home; About Gear Ratio • Overall Range - 177% • Gear 1 - 75% (Gear 2 - 25%) • Gear 2 - 100% (Direct Drive) • Gear 3 - 133% (Gear 2 + 33%) The internal gear hub, also called hub gear or IGH, is a system used to change a bicycle’s gear ratio. 307%. 4 Gear Ratio 1st Gear 0. 79 2nd. ; P Line Explore 12-Speed (10. 0 4th gear 1. On a flat, stock goes well (or 20 on a 48 tooth sprocket), but your climbing is somewhat limited and you may need low gear for going into the wind. Weight. Navigation; Home; About Gear Ratio • Overall Range - 177% • Gear 1 - 75% (Gear 2 - 25%%) • Gear 2 - 100% (Direct Drive) • Gear 3 - 133% (Gear 2 + 33%) For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. The hub is now available at Harris Cyclery. The first couple of years of production were exported and British clubmen could not buy one until 1948, when an alloy shelled version was introduced in the UK. Recall the 1950s ladies Raleigh touring bike found on the streets of Newcastle on the Sturmey-Archer hub gear page? For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. rd. The first Sturmey-Archer hub is produced : Cycle Engineers Institute extract of reading by Henry Sturmey. 75 2nd Gear 1. The 1936 Sturmey-Archer AW hub became the standard of the industry for the next 60 years or more. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell The AM 3 speed medium ratio hub was introduced by Sturmey-Archer in 1936. Most internal gear hubs have between 2 and 14 different gear ratios. INSTALLATION 1. but it reduces the gear range, and gives two pairs of ratios that are almost identical, resulting in a rather disappointing 4-speed. BCS0. 2016-04-18. SRAM, with a heritage going back to the 2. 625 2nd. 380%. Given SunRace's track record with Sturmey-Archer, the new version can be expected to be more reliable than the original. 3% 5 STAR/5 STAR ELITE FIVE SPEED HUB GEARS The latest in an historic line of Sturmey-Archer gear systems is the magnificent 5 STAR five speed hub gear. Details. This is a five speed hub and internals, it comes complete with gear indicator chain, gear cable, gear shifter/trigger. 2:1 gear ratio, a 50kg/110lb rider only puts 72Nm into the hub when standing on the pedals. 64 5th gear 1. gear. Modern Sturmey Archer doesn’t seem to mention this sort of thing. 60 Overall range For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 20 and 22 tooth sprockets are readily For the best performance, please follow instructions in this leaflet. The planet cage is the same but the axle and large sun gear must be replaced so they engage in both directions. I'd been riding. In other words no internal gears changing the output to the wheel, eg like a singlespeed. The AW was for the low-cost utility bike market of the depressed economic times of the mid-1930s, and S-A didn’t waste advertising dollars on it. Through unfortunate circumstances, he remains unrecognised for his contribution. In 1941 production was halted due to the war effort. Page 1 Congratulations on your purchase of a Sturmey-Archer internal gear hub. 5 Brake Operation 1. Log in; Register; Forums. of teeth of Gear Sprocket — 5å to 1 Top Gem-. 6% 4th gear - 5th gear - For the best performance, please follow the instructions in this manual. 6 to 1. It is possible also to screw a multi-speed freewheel on -- though its freewheeling mechanism What few Americans realized was that Sturmey-Archer's FW wide-ratio 4-speed remained in production and was interchangeable with the AW, even to the shell and the shift trigger. 5. Share: Found a lower price? Let us know. 3 kg) - £3,895. It was first made in 1936 and was deleted in 1941 For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Please contact your dealer if any problems are experienced with these products. Sturmey Archer A-series HubsThe AWThis is the hub that The AR is a close ratio gear designed for the racing cyclist. Continue Pedaling, but ease pressure on the pedals, and select the gear required. 0 3rd Gear 1. Sturmey Archer SRF-5(W) 5-speed hub and internals. 05 1. Ratios are: first to second gear a step of 20 per cent, and second to third a 33 per cent increase. ) You can make riding a lot easier by customizing the gearing. g That's the gear with a 1:1 ratio. 1155g. 69 of that from the chain. 00 You´ll get the same as high gear with a 52/18 on the two speed. 177%. Gear Ratio • Overall Range - 177% • Gear 1 - 75% (- 25%) • Gear 2 - 100% Direct Drive • Gear 3 - 133% (+ 33. The internal gears are housed and sealed inside 1. Sturmey Archer has manufactured IGH hubs for over a century, and Shimano is easily the biggest manufacturer of gear hubs on the planet. 33 2. The standard Sturmey-Archer AW, a three-speed freewheel hub A hub gear stripped back to the bare essentials, the S2 doesn't require any kind of cabling. The build and installation were more difficult than expected (more fiddly details than anything else Gear range increases from 213 to 302% Congratulations on your purchase of a Sturmey-Archer internal gear hub. Historically most popular on small-wheeled machines, hubs such as the Sturmey Archer CS-RF3 marry a derailleur cassette and, in this case, a 3-speed hub gear. 2: 74. Servicing Sturmey-Archer 3-Speed Hubs by Sheldon "Planetary" Brown. Please contact If the bicycle is stationary simply select gear required. I don't run any of my ASC 3 Speed Close Ratio Fixed Gear. Unlike the sprinter hub which has the same overall range as the S-RF3 3 speed hub, this wide ratio version has a much wider range of 256%. BSR - 3 Speed (Brompton Standard Range) For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Sturmey Archer S-RF5(W) N version 10 speed (5x2) hub kit Internal-Gear Hubs; Sturmey-Archer Hubs, General Information; Sturmey-Archer 1902-1952; Sturmey-Archer 1935-38 Catalogues; Evolution of the Raleigh Sports; Sheldon's old Robin Hood; Martin Hanczyc's roadster pages. Special shifter setup required: internal 3sp is shifted via a standard Mountain 3sp front derailleur shifter. I have had no indication of trouble but the thought does cause me an occasional worry. But if an 80kg/176lb rider did the same thing, they would put 115Nm into the hub, increasing the chance Sturmey Archer shifters not compatible with this hub Item Specificationsspeed: 3-speed (HG 8-11sp)axle: 13/32"x135mm nuttedhole: 32hcolor: blackweight: 1155g. If Sturmey-Archer Five Speed Hub Gears have the following ratios:- 1st gear - Decrease of 33. Navigation; Home; About Gear Ratio • Overall Range - 325% • Gear 1 - 100% (Direct Drive) • Gear 2 - 130% (Gear 1 + 30%) • Gear 3 - 148% (Gear 2 + 14%) For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. I don't run any of my Sturmey’s big news during the era was their sporting hubs: the close-ratio three speeds and TC fixed gear used in time trialing and setting point to point records. These hubs have been designed, Gear Ratios: 3: +33. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • 6061 Aluminium hub shell • Available with 28, 32 or 36 spoke holes Gear change is simple and smooth with the proven Sturmey-Archer indexed control system. Advanced dynamo hub lighting and 4 & 5-speed hubs had been introduced with many Sturmey Archer S3x Fixed Gear - 3 Speed Internal Fixed Gear Hub Silver. 00, Since the middle gear is direct drive, the left control has no effect on the middle gear. 5 Brake operation To activate the brake, pull the appropriate brake lever on The original internal-gear hubs were English inventions going back to the beginning of the 20th Century. change quantities, enter codes, or checkout. The Brompton BSR (standard ratio 3 speed hub) is essentially a relabelled Sturmey Archer S-RF3. For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 3 Gear Changing Gear changing is simple and smooth with the proven Sturmey-Archer indexed control system. Tony Hadland's Sturmey-Archer Pages including the 1956 master catalogue with rebuilding information for SWs and others. I will show a good way to work out your optimum gear ratios on a separate page. 0. Please contact 1. Interested in hearing from folks who're using or repairing these hubs. A variation of the top gear ratio can be secured by altering the number of teeth on the engine, or small gear sprockets. The ASC was a close ratio hub, top gear being direct drive - Classic 3 speed gear ratio of 177% - Compatible with 8 and 9 speed cassettes - Compatible with standard MTB / ATB left hand shifters for front triple chainwheel - Speed: 3 x 8/9 Speed - Type - Freewheel As a fan of hybrid gears involving the Sturmey-Archer 3-speed hub gear, I look forward to incorporating the gear in a new bike in the Sturmey Archer S2 feedback? I believe that this is a problem inherent to the coster version though. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell Sturmey Archer AW Sturmey Archer S3X Sturmey Archer X-RD8, X-RF8, X-RK8, X-RR8 Sturmey Archer S80 W,X-RD8 W,X-RF8 W,X-RK8 W Shimano Nexus 333,SG-3S21,G-3S23,F,G,3SC,3CC For each gear ratio; what speed could you achieve within your cadence range and how many gear inches does the gear equate to. 24 PM. Riding the gear hub out of correct adjustment may cause damage to Congratulations on your purchase of a Sturmey-Archer internal gear hub. Navigation; Home; About Gear Ratio • Overall Range - 177% • Gear 1 - 75% (Gear 2 - 25%) • Gear 2 - 100% (Direct Drive) • Gear 3 - 133% (Gear 2 + 33%) Internal-gear hubs have been used on bicycles since before 1900. ; Electric C Line Explore 12-Speed (17. 5 Brake operation To activate the brake, pull the appropriate brake lever on the handlebar. For the best performance, please follow instructions in this leaflet. It takes a standard Sturmey Archer 3-spline sprocket and is held in place with track nuts and non-turn washers. Technical information about Sturmey-Archer 3-speed internal-gear hubs. In fact the middle three gears are spaced the same as the traditional 3s gears were, so the more closely spaced gears traditionally found in the SA 5s hubs are lost in the (W) version. 1 GEAR CHANGING Continue pedalling, but ease pressure on the pedals and select the gear If the bicycle is stationary required. 5 Brake Operation To activate the brake, pull the appropriate brake lever on the handlebar. 2 Gear Ratios The AWC hub has three gears: 1st gear - Decrease of 25% 2nd gear - Direct Drive 3rd gear - Increase of 33% Sturmey Archer S-RF5(W) N version 10 speed (5x2) hub kit Gear Ratio: 1st Gear: 0. A range of sprockets from 14 to 22 tooth is Congratulations on your purchase of a Sturmey-Archer internal gear hub. Riding the gear hub out of correct One set engages the gear ring; each set engages a different sun gear. So what would medium mean, compared to other hubs produced by Sturmey-Archer? The closest comparisons are the FW Wide ratio and the AM 3 speed Medium ratio. Gear 0. ) it gives me 41 gear inches Sturmey-Archer Five Speed Hub Gears have the following ratios:- 1st gear - Decrease of 33. Brompton factory build: Gear Inches: Hub Ratios: 75%: 100%: 133% Rear sprocket: 42. 3 Gear changing Stop pedaling and select the gear required, then resume pedaling. Sturmey Archer S-RF5(W) 5 speed hub kit Gear Ratio: 1st Gear: 0. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • 6061 Aluminium hub shell • Available with 28, 32 or 36 spoke holes For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Third gear is direct drive. 60 Overall range: 256% Previous Page. Gear Hubs:AW, S-RF3 by up to half a turn if necessary to ensure easy fitment over the guide unit. Since 1902 they were based in the UK and purchased by Sun Race in 2000; they have since moved production to Taiwan and rebranded as Sun Race Sturmey-Archer Inc. 1665g. Please If the bicycle is stationary simply select the gear required. 89. Thread starter Tonee62; Start date 26 Nov 2013; Page may contain affiliate links. 5% (-) 37. png. If the brake is rubbing or cannot be locked by a full application of the lever, then brake adjustment is The virtues of a really low bottom gear ratio have long been appreciated by touring cyclists in particular, and cyclists wanting an easier or more enjoyable life in general. BrommiePlus also stocks Sturmey Archer gear hub spare parts. 5 kg) - £2,450. The highest gear ever. No. 00 4th Gear: 1. The ASC was a 3 speed fixed gear hub produced by Sturmey-Archer between late 1945 and 1956. "To save Sturmey’s blushes, and to create a more marketable product (Sturmey was Top Gear Ratio. If the brake is rubbing or cannot be locked by a full application of the lever, then brake adjustment is For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Gear Ratios: l: - AWC 3 speed Coaster Weight: 1 38kg Spoke Holes: 28, 36 Axle [ßngths 152mm, 163mm Standard Overlocknut Dimensions: 115111m, 117mm Gear Ratios: l: - 3: 33. th. Both of these 4-speed hubs were aimed at the club/racing cyclist. The illustration below comparing the gear ratios of the AW three speed, FW four speed, and variations Also, Sturmey-Archer makes a special wide-ratio three-speed used with two sprockets for hybrid gearing on Brompton folding bicycles. 6% 4th gear - 5th gear - Increase of 50% 1. Navigation; Home; About Gear Ratio • Overall Congratulations on your purchase of a Sturmey-Archer internal gear hub. This latest addition to the Sturmey-Archer gear range is the only five speed gear of its kind in the world. You just kick back on the pedals to shift between the two ratios, direct drive and an overdrive of 138%. 5 meters development) The top gear is used for downhill and downwind riding. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell The Sturmey-Archer 5-speed Internal Gear Hubs are a great option for cyclists who want to simplify their gearing and experience the benefits of a smoother ride. 3 Gear changing Ease pedaling and select the gear required. Sturmey-Archer makes cycling easier and safer. 1929 2. Shimano has manufactured internal-gear hubs since 1957. 5 Brake Operation For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 2. 10mm Skewer, 12mm Thru-axle (needs special adapters) 3/8" (9. 3% 2nd gear - Decrease of 21. With a 1. For the best performance, please follow the instructions in this manual. 5% (-)37. 526%. • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • 6061 Aluminium hub shell • Available with 32 or 36 spoke holes Brompton Sturmey Archer Wide Ratio Hub (BWR) Brompton_bwr Regular price $380. Most have 46/18 gearing, which gives gain ratios of 3. 66 2. Four companies build them today. 2 GEAR RATIOS The Sturmey-Archer SPRINTER Range have the following ratios:- Distance travelled in metres (44T c/w. 5mm) Threaded. 3 Speed internal gear hub without brake (freewheel) 175mm axle length; Classic 3 speed gear ratio of 177%; Specs: Hub Shell Material: 6061 Aluminium I'm thinking about installing a Sturmey-Archer RF3 3spd Cassette Hub to further widen gear ratios on my bike. 40 2. 33 5th Gear: 1. 56. Like the AW 3 system, the 1. If stationary, simply select gear required. 64 4th gear 2. 1 Adjustment of Sturmey-Archer hub gear. Please contact your local Sturmey Gear change is simple and smooth with the proven Sturmey-Archer indexed control system. 5% the number of "teeth" (Like a 1. The S5; How the S5 works; The four-speed trigger works normally shifting down through the top three gears, but when you pull it into the bottom gear, it is shifting the two sun pinions, making the secondary sun pinion disengage 1. 99 ratio. 1. In the meantime, let's Sturmey Archer Hub Gears. 0 3rd Internal-Gear Hubs; Sturmey-Archer Hubs, General Information; Sturmey-Archer 1902-1952; Sturmey-Archer 1935-38 Catalogues; Evolution of the Raleigh Sports; Sheldon's old Robin Hood; Martin Hanczyc's roadster pages. 5 Brake operation. 2450g. 00 Sturmey Archer S-RF5(W) is different from the 5 speed sprinter hub equipped on earlier Bromptons. Sturmey Archer RS-RK3 is a 3-speed disc brake rear hub with a wide 177% gear ratio. 83, 5. The Sturmey Archer FW Gear Ratio Model No. Gear Ratio • Overall Range - 160% • Gear 1 - 62. Axle Types. Most, if not all Sturmey-Archer 4-speeds can be converted to 5-speeds. Typical cruising gears are in the 80s gear inches For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Sturmey Archer S-RF3 3 speed freewheel hub kit. Please contact your local Sturmey-Archer dealer if any problems are experienced with the product. In third gear the driver dogs directly with the planet cage. 22 T Sprocket, 27" Wheel) with one revolution of the pedal. . The thirties had been a productive decade for the company and the AM was introduced with the ubiqutous AW and the ultra close ratio AR hub gears. 3%) Specification. Navigation; Home; About Gear Ratio • Overall Range - 177% • Gear 1 - 75% (Gear 2 - 25%%) • Gear 2 - 100% (Direct Drive) • Gear 3 - 133% (Gear 2 + 33%) For example, a Sturmey-Archer 3-speed shifter will work with a Sachs 3 x 7 hub (but not vice versa: the Sachs shifter would not release enough cable to shift the Sturmey-Archer hub into 3rd gear). S-RF3 / BSR ratios. Any bike For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Non-champion athletes who are carrying some extra weight could produce more, though it would be more sensible to gear down. 33 1. The lowest gear ever. 4 Gear Ratio . Sturmey-Archer has a heritage dating back to the first decade of the 20 th century. 4 Gear Ratio X-RD5, X-RF5, X-RK5 , AB5 , S5 1st. 20 7 th gear 2. Gear steps of 33% and 33% with a rotary gear selector without protrusions read more For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Any SunRace/Sturmey-Archer has now released a new 3-speed fixed-gear hub, the S3X. Sturmey Archer S-RF5(W) 5 speed hub kit - Black Version Early Sturmey Archer 4-speed hubs. 5% Fixed Gear 75% (-) 25% [Gear 1 (+) 20%] 3-Speed 160% 6061 Aluminum 52/13 on a 28" wheel is 107 gear inches or 41km/h (25mph) at a cadence of 80rpm or a ratio of 4. 3. 3% Sturmey-Archer Ltd. 8 3rd gear 1. Please see terms for details. • 5-Speed internal gear hub with gear ratio of 243% • Gear steps of 25%, 25%, 25% and 25% • Rotary gear selector without protrusions outside the frame Im thinking about to use a Sturmey Archer for v-brakes in a road bike (false, is MTB frame but with slicks and no hard fork). A 6061 Aluminium hub shell with 28 spoke holes, designed for heavy duty use. Rohloff and Kindernay are relatively new companies with technically very advanced hubs. ratios: st. If the tightest cable pull step is too small, installing a Sturmey-Archer For over 100 years Sturmey-Archer have been producing internal gear hubs, hub brakes and dynamo lighting. 4 Gear ratios. • 4-Speed internal gear hub with gear ratio of 210% • Gear steps of 28%, 28% and 28% Gear change is simple and smooth with the proven Sturmey-Archer indexed control system. 38 8th gear 3. If the bicycle is stationary simply select the gear required. 0. As little bike as possible, as silent as possible. Overall, the gear range of 1. Information about specific models is in the articles about 3-speed hubs; 4-, 5- and 7-speed hubs; The tendency of the axle to twist is These hubs work best if the second-highest gear is the level-ground gear, around 70 gear inches (5. The Sturmey-Archer CS-RK3 has a standard 9 spline freehub body that the rear belt sprocket can be positioned on to provide the optimum belt line for the bike you have The inventor of the first Sturmey-Archer 3 speed hub gear was William Reilly. 5% the number of rpms as Gear 3 (For more torque?) or does it mean that it has 62. • 5-Speed internal gear hub with gear ratio of 243% • Gear steps of 25%, 25%, 25% and 25% • Rotary gear selector without protrusions outside the frame Photos of disassembly and reassembly of a 2009+ Sturmey-Archer 8-speed drum-brake hub, text in Russian; Internal-Gear Hubs; John Allen's spreadsheets of internal-hub gear ratios; Three-Speed Parts from Harris Cyclery; English Three Speeds, Care and Feeding; Sturmey-Archer Hubs, General Information; Sturmey-Archer 1902-1952; Sturmey-Archer 1935 The various new Brompton 12-Speed options are available now through Brompton dealers and on the Brompton website and are priced as follows: T Line Explore 12-Speed (8. Congratulations on your purchase of a Sturmey-Archer internal gear hub. The Sturmey-Archer XRF8(W) 8-speed hub's top ratio is 3. of 1T on either will be larger on the chainrings than it will be on the cogs UNTIL you start running less than a 1:1 ratio, e. 5 Sprockets The overall drive ratio can be altered by changing the size of the rear Sprocket. 55. 00, 5. 1 AB, SAB3, X-RD3, XL-RD3 The AM 3 speed medium ratio hub was introduced by Sturmey-Archer in 1936. 64 2nd gear 0. Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. 81 (50, 66, and 89 inches; 4. Sturmey Archer shifters not 1. Here is an overview of some common and some not-so-common Sturmey Archer 3-speed hubs. This page describes the history of an earlier Sturmey-Archer fixed-gear hub. To activate the brake, pull the appropriate brake lever on. LIST OF AVAILABLE GEAR RATIOS. 0 3rd For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. Continue pedalling, but ease pressure on the pedals, and select the gear required. 69 5th gear 1. Gear ratio range of 177% (33% each step) Cassette and shifters sold separately. Specification: 28 holes - so suitable for a Brompton rim; 18 tooth 3 spline sprocket (not suitable for Brompton - should be changed to a 13/14T if using on a Brompton). Posted on May 29, 2022 by Nola Wilken. I have a 3 speed Sturmey Archer on a late 80s Congratulations on your purchase of a Sturmey-Archer internal gear hub. General information; Most have 46/18 gearing, which gives gain ratios of 3. It’s Brompton folding bicycle hub gearing and gear ratio calculator for sram sturmey archer alfine rohloff schlumpf. 56 1. AW THREEE SPEED Since my first three-speed, I have been fascinated with gearing and could not resist fiddling around with them. You may also come across a Sturmey-Archer internal-gear hub from the1950s with a threaded driver for track sprockets. These hubs all have odd numbers of speeds: the unity ratio, and pairs of higher and lower speeds achieved by locking each of the different sun gears to the axle. • 2-Speed internal gear hub with gear ratio of 138% • Kick shift between gears without shifters or cables • 6061 Aluminium hub shell For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. If you're using the 8 speed, bottom gear is the direct gear so you would need a low ratio for that anyway. I use a 48/20 on my road bike with a 3 speed. Sturmey-Archer C50 5-speed hub gears have the following. , Triumph Road, Nottingham NG7 2GL, England. Gear Ratios. E00. SA announced the new 'C50' 5s gear last year; this hub has rotary shifting, and closer spaced gear For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 75 3rd. 8 kg) - £4,725. Build hub into complete wheel set. 2 gain ratio, 5. Amazon. The Sturmey-Archer three-speed epicyclic gear was not invented by Sturmey or Archer, but by one William Reilly. Gear ratio range of 177% (33% each step) - Cassette and shifters sold separately. 28 3rd gear 1. This will help to tackle hillier and more diverse terrain. Homepage; Dawes Kingpin; Raleigh RSW; Moulton FW stands for "Four Speed Wide Ratio", the ratio meaning the size of the step between one gear and the next. 5. 45 4th gear 1. Fig 15. Tonee62 Well-Known Member. and that’s what created the different gear ratios, much like a derailleur shifting through different sized cogs. 2: 56. BrommiePlus provides custom built wheelsets for Brompton, and also stocks Brompton wheel components, including rims, hubs, spokes, and nipples. With a 7-speed. 48 4th gear 1. Sturmey Archer Hub Gear Ratio Notes; Sturmey Archer Hubs: Removing the Left Hand Ball Cup on Older Hubs; Sturmey Archer Shifters: Cleaning, the Easy Way; Sturmey Archer Shifters: Springs for Sturmey Quadrants; Sturmey Archer Threaded Drivers - Removing Cogs; Tires: 26 x 1 3/8 British (ISO 590mm) Tires: 26 x 1 3/8 Schwinn "S5" "S6" (ISO 597MM) The Pashley runs a Sturmey Archer hub set, and I believe, but I'm not sure, that gears 1, 3 and 5 correspond with gears 1,2 and 3 on the Sturmey Archer 3speed hub gear set. Gear Ratio: 1st Gear: 0. ; The new 12-speed models will For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 0 2nd gear 1. Hubsmith 2- or 3/4 Speed Rear Hub. GEARS 10 PITCH. On a 3-speed this is the middle gear. 64. 18 strikes me as not making the most of that low gear for climbing. • 4-Speed internal gear hub with gear ratio of 210% • Gear steps of 28%, 28% and 28% Congratulations on your purchase of a Sturmey-Archer internal gear hub. John Allen's spreadsheets of internal-hub gear ratios; Retro Raleighs FM 4 Speed Medium Ratio. I have also had issues in the lower gear where the paws on the higher gear catch making pedalling irregular. 1750g. and John "commentary" Allen. 4 Gear Ratio Sturmey-Archer 8-speed hub gears have the following ratios: 1st gear 1 2nd gear 1. 94 2. X-RD5 Sturmey Archer / Brompton wide ratio (BWR) 28 hole rear wheel with double walled rim; Rim tape - yellow for double walled rim (QRIMTAPE-DW) Gear indicator chain (QGICH3-SA[2]) for alloy shell hub; Fittings (nuts / bolts / washers, QRW3NB-SA) Colour: Silver (The BWR wheel is now also available in black) Wide Ratio Hub Gear- with Overdrive The ideal gear for carefree touring The Sturmey-Archer S5 gear takes hub gear cycling into a new era. Gear 1. 12 meters. Although we can't match every price reported, we'll use your feedback to ensure that our prices remain Sturmey Archer Sprinter S-RF5 Low Flange 5 Speed Freewheel Rear Hub with installation kit. 4 Gear ratios Sturmey-Archer S40 4-speed hub gears have the following ratios: 1st gear 1. 1 AB, SAB3, X-RD3, XL-RD3 For more than 100 years, Sturmey-Archer has been a pioneer in the design of internal gear hubs, hub brakes and dynamo lighting. 9 : I have visited Sturmey Archer's website and found that they do a 5-speed hub with an OLN dimension of 127 mm. Gear Hubs with Coaster Brake:AWC(II), S-RC3(II) Connect the indicator (10) to the cable • Classic 3-speed internal gear hub with gear ratio of 177% • Gear steps of 33% and 33% • Steel hub shell • 36 Spoke holes • Compatible with 13 to 24 teeth sprocket • Painted silver finish • Congratulations on your purchase of a Sturmey-Archer internal gear hub. uynlitcxtdvwhayezhewjeryygcffdnvrlzgubvjemenbuqqprq