Details

I show the most common causes for chains that skip, slip, jump gears while pedaling (auto-shifting/phantom shifting derailleur), especially while under torque like climbing up a hill or standing on the pedals. And explain what needs to be done to fix them.

Straightening A Bent Derailleur Hanger

How To Measure Bike Chain Wear With A Ruler:

How To Replace A Bike Chain

How To Change A Cassette On A Bike

How To Change A Freewheel On A Bike