GX derailleurs take the place of X.9 and X.7 10-speed models.
- Roller bearing clutch in the pulley cage pivot for better chain control
- Cage Lock mechanism for easy wheel changes
Description
GX derailleurs take the place of X.9 and X.7 10-speed models.
- Roller bearing clutch in the pulley cage pivot for better chain control
- Cage Lock mechanism for easy wheel changes