Any question answered...

You are reading a single comment by @girondin and its replies. Click here to read the full conversation.

•

gbj_tester in reply to @girondin

If I have a Sugino Messenger crank, which has a 45mm chain line with a 103mm JIS BB, what length BB will I need to run it with gears (6 speed 105 - I.e. 1x6)? Also, will any old 135BCD road chainring work as the front ring, or do I need a specific width too (I'm going to leave the front dérailleur, as a guide)? Oh an also will I need new chainring bolts? Thanks all

Ideally, any 3/32" ring with full height teeth - Gebhardt Classic or Surly Stainless, for example. Messengers are 130mm PCD aren't they? You shouldn't need to change the chainring bolts, and the 45mm chainline will be fine for any 1×n drive so there's no need to change the BB

•

girondin in reply to @gbj_tester

Thanks for explaining that so clearly! You are right, the BCD is 130 - I was working from memory. Cheers

About

Avatar for girondin @girondin started