Acera mountain bike rear derailleur with light action operation and over-size pulleys for a wide gear choice
Oversize 13-tooth tension and guide pulleys to reduce noise and wear
Extension spring and low-friction fluorine-coated link pivot bushing result in a light shifting action
Top normal spring for use with Rapidfire shifters
IG and HG chain, 7- and 8-speed compatible
Colour Black
Speed 7 Speed

Speed 8 Speed

package:1Pcs( without original packaging)