Skipping....bad cogs??

Discussion in 'Observed Trials Discussion' started by xxxfr, Jun 19, 2004.

  1. xxxfr


    My bike has been skipping everyonce and a while...and i hate to think that it could be my few week old king i broke a chain, so i just put a new one on, so i know its not the chain...the der and stuff are near perfect, the only thing i see wrong is that my top 2 cogs (23t and 21t) are a little wavey, like theyre folded over, just a hair......will a new cassette fix this...and what cassette should i get, i have an ultegra now, im thinking about getting an 11-21 ultegra, and switching to 20t front (20/21 is damn near close to 22/23, which is what i normally run)