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.

RidewithGPS

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.

A good patch kit
A good patch kit

Leather saddle repair

Simon Firth, of Transport cycles, Philadelphia, Pennsylvania, USA, Brooks authorized repair site.
Simon Firth, of Transport cycles, Philadelphia, Pennsylvania, USA, Brooks authorized repair site.

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 Brooks repair site. Do-it-yourself repair is also sometimes possible and we tell how.

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

Shimano Nexus hub
Shimano Nexus hub

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Spoking for large hubs, improved

The article on special spoking patterns for use with extra-large hubs (for example, electric bicycle hub motors) has been improved with patterns which avoid twisting the hub shell for two of the hub and rim combinations. The article includes all the information needed to use Damon Rinard’s Spocalc (also on the site) to calculate spoke lengths for these patterns.

Non-torquing spoke pattern for 36-hole hub and 24-hole rim
Non-torquing spoke pattern for 36-hole hub and 24-hole rim

Bicycle frame fatigue-resistance testing

Testing machine at EFBe laboratory
Testing machine at EFBe laboratory

The groundbreaking article about fatigue-resistance testing of bicycle frames — the results surprised even the people doing the test — now in a much-improved new translation from the original German.

Framebuilder information from Damon Rinard

Screen shot from tube mitering software
Screen shot from tube mitering software

Another Rinard article updated: his page of links to information, sources of materials and software for amateur frame builders.

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