Shimano 4-speed IG Hub Page Updated

Shimano Nexus 4-speed page updated — in our continuing quest to keep up to date with Shimano’s ever-changing Web site, we’ve updated the links and related information on Shimano Nexus 4-speed internal-gear hubs

Shimano Nexus 4-speed coaster-brake hub
Shimano Nexus 4-speed coaster-brake hub

Shimano 8-speed IG hub update

Sheldonbrown.com provides a forwarding page whenever we consolidate or move material. Not so Shimano, which broke all our links to its technical information. Sigh. We have just repaired our page on Shimano 8-speed internal-gear hubs.

Shimano Alfine 8-speed hub
Shimano Alfine 8-speed hub

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Raleigh Twenty page expanded

Our page about Raleigh Twenty bicycles has been expanded with two new sections, about the hinge and the rear rack. Find out why the humble and disdained Pletscher rear rack works great on a Twenty, and how to make a replacement for a missing hinge key.

Sheldon Brown's 8-speed Raleigh Twenty bicycle
Sheldon Brown’s 8-speed Raleigh Twenty bicycle

Updated information on drivetrain compatibility

Our article about cassettes has been updated to include information on 11-speed systems. Interesting — all major brands of 11-speed casettes now have the same sprocket spacing. Most rear derailers and shifters are not compatible, though. We can tell you which ones are.

Shimano cassette Freehub
Shimano cassette Freehub

Creaks, Clicks and Clunks — and Rubs and Lurches and Rattles

Information has been added to the Creaks, Clicks and Clunks page to help you diagnose several more problems. The page now covers more types of cranks, the noiseless lurches and bumps which occur due to tire damage, chain too wide for the sprockets, worn-out bottom bracket bearings, chain rub on front derailer…

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.

Exploded diagram of the SRAM Automatix hub
Exploded diagram of the SRAM Automatix hub