How the bicycle front derailleur and revoshifter work

Rear bicycle derailleur serviced, lubricated, assembled, and installed

Routing your bike chain through the rear derailleur

Components of a bicycle rear derailleur

Tightening all the bolts on the rear derailleur of a bicycle

How to align the bicycle derailleur hanger correctly.

Removing the lower pulley of a bicycle rear derailleur

How to spin the pulley jockey wheel of your bicycle rear derailleur

How to check a bicycle rear derailleur without using a shifter

Cleaning a bicycle rear derailleur

Installing a hanger on a bicycle frame and then mounting the bicycle rear derailleur on it

Removing the bicycle frame hanger that the rear derailleur screws into

Quick and easy installation of a front derailleur on your MTB bike.

The derailleur hanger on my bicycle broke, how to replace it quickly.

How to assemble and grease the rear derailleur on your bicycle

My bicycle’s front derailleur is worn out and needs replacement.

The front derailleur on my bicycle has stopped working

A9 road bike assembly with character painting 12: Installing the derailleurs.#icancycling

Straightening and aligning a bicycle rear derailleur.