Author Archives: John

SRAM Automatix 2-speed hub

New article about the SRAM Automatix two-speed hub. We have information on maintenance, choice among variant models, and how to adjust the speed at which it shifts automatically.

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Morrow coaster brake page revised

Sheldonbrown.com keeps reference material available on older coaster brakes and internal-gear hubs. We’ve just revised the page on the antique Morrow coaster brake —  

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Customizing a fatbike

Bruce Ingle customizes a fatbike — Fatbikes are intended for use on soft, muddy, sandy, snowy surfaces but they need customization to make them truly practical for such use — in particular, fenders, wide-range gearing including ultra-low gears, and a … Continue reading

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Gear Calculator updated and now also in German

The Sheldon Brown gear calculator is updated and improved: more tire sizes are covered including fatbikes, 29ers, 29+ and monster bikes, and we now have a version in German, as well as French.

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Riding with RidewithGPS

New article on riding with the RideWithGPS app. What you need to know to get started: mounting your phone, keeping it charged, downloading routes, and recording your rides.

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Tools and supplies to work on tires

Article about tools to care for tires and inner tubes (pumps, tire removal and replacement tools, flat-fixing supplies) pulled out of the article on fixing flat tires, which was getting too long, and expanded.

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Inner tubes

New article, all about inner tubes: tire fit, the three kinds of valves, pump compatibility, tips and tricks.

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Leather saddle repair

A rail on your Brooks leather saddle broke? Our new page lists repair sites around the world. Your repaired saddle will be better than new, because it is broken in. Photo: Simon Firth, of Transport cycles, Philadelphia, Pennsylvania, USA, authorized … Continue reading

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Shimano Rollerbrake page updated

Revisions to the Shimano Rollerbrake page: links to Shimano’s (finally) well-organized compilation of Rollerbrake documentation; information on installing front Rollerbrakes.

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Additions to the Shimano 8-speed IG hub page

Sheldonbrown.com reader Bruce Dance has contributed some helpful information on compatibility — or the lack of it — among different models. Read it on the 8-speed internal-gear hub page .

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