Derailleurs

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Rear Derailleur Noises

The rear derailleur on my vintage Trek was making a constant clicking noise as I turned the cranks. I go through the process of finding and fixing the issue.

Straighten/Align Bent Derailleur Hanger Without Special Tool

I show how to fix a bent derailleur hanger without expensive tools like Park Tool’s DAG-2 Derailleur Hanger Alignment Gauge. This repair is meant for steel frames with integrated hangers. If you have a replaceable hanger, I recommend you just replace it. Do not attempt to straighten the hanger using the derailleur. You will likely …Read more »

Replacing A Bent Derailleur Hanger

The derailleur/hanger on this bike were trashed. I found the hanger was not only bent, it was installed incorrectly and being held on by the quick release skewer. I replace the bent hanger with a brand new derailleur hanger. The bike is a 2005 Specialized Hardrock Sport.

How To Fix Bike Chain Skipping/Slipping/Jumping Gears

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 …Read more »

How To Adjust Campagnolo Gran Sport/Valentino Front Derailleur

I show how to connect the shift cable and adjust vintage Campagnolo push rod type front derailleurs like the Gran Sport and Valentino.