Derailleurs Rear

Rear Derailleurs are responsible for controlling the movement of the chain between the different sprockets on the rear wheel's cassette. It facilitates gear shifting between the sprockets, allowing cy...Rear Derailleurs are responsible for controlling the movement of the chain between the different sprockets on the rear wheel's cassette. It facilitates gear shifting between the sprockets, allowing cyclists to adjust the gear ratio to match different riding conditions, such as changes in terrain or speed.Show more