Originally Posted by ultraman6970

Raced from 12 y/o up to +-24... been riding since and im 43 years old and never ever had that problem. I can blame it to people that doesnt know how to shift but if the bike is tuned right to start with, this problem with the chain shouldn't happen ever. Been doing my own mechanic since im 15 y/o (all the way from frame prep to wheelbuilding and tubular fixing) and raced for 12 years... never a regular week end rider will ride as aggressively as a racer and i have raced in darn roads that looks like the paris roubaix's ones with holes everywhere. Never dropped chain even in the 2 seasons of CX back in the day, neither inside nor outside the crankset, and the last one is really because the bike needs maintanance. Dunno man... many riders, specially the ones that bought their 1st descent bike in the last 5 years beside knowing that a bike has two wheels and that they have to use a helmet, they know too little of mechanics or even know when something is wrong or looks odd... second issue, maybe like 1/3 of the mechanics population don't know crap and they get paid for it or maybe they just dont care for the clients and their machines.

This one and the wobbling front wheel are one of the biggest mysteries to me because i never had any of those two common problems, is not that i known everything either ok?