M4000 MTB Mountain Bike Rear Derailleur 9/27 Speed

Description:

M4000 rear derailleur, suit for 7/8/9 speed drive system, 27 speed rear derailleur
Smooth shifting, easy and fast to install
Compact and provides precise and accurate chain movement
High quality aluminum material effectively reduces friction with chain to provide you a smooth shifting
You can use tension adjustment screw for simple adjustment of your bike.

Specification:

Material: Aluminum Alloy
Length: approx. 15x20x3cm/5.9x7.87x1.18inch

Package Includes:

1 Piece Bike Rear Derailleur

a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a