I have recently bought a new bicycle and the left Shimano Revo shifter (3 speed) is not shifting, what can I do?
I am planning to build an electronically controlled automatic bike transmission for my senior design project. I'm personally more of an electrical guy, so dealing with the mechanics is somewhat new to ...
I was replacing cables on grip shifters recently and when I put them back together they acted as if they were on the wrong side. By that I mean the front shifter (3 chain rings) were shifting 7 times ...