Bike Repair Tips and Tricks

285 readers

2 users here now

For bicycle repair tips and tricks, as well as questions, mostly in picture form, from all over the web.

founded 2 years ago

MODERATORS

If your crankset is very close to the bike frame like in this picture, you either need a longer bottom bracket or to replace your middle chainring with a smaller one. (sopuli.xyz)

submitted 2 years ago by [email protected] to c/[email protected]

0 comments fedilink hide all child comments

The bike's body bends during use and it will scratch itself on the ring teeth and the chain. Sometimes older bikes have a bigger number of teeth on the middle chainring like this (s:m:l ring teeth ratio is about 32/48/52 teeth).

numbered bike anatomy graph

chainring = 31; bottom bracket spindle = 26; bottom bracket shell = the hole where 27 is marked to go in

~source~

no comments (yet)

sorted by: hot top controversial new old

there doesn't seem to be anything here