Bicycle MechanicsBroken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.
I'm upgrading the crank on an 3x8 Trek 7.3fx. If I go with a crank for a nine speed, will that still work? This bike was in bad shape when I found it, bb squeaks like crazy, which is why I'm upgrading.
