MTB Gx Type 2.1 10-Speed Long Cage Rear Derailleur - Lightweight Black Aluminum
MTB Gx Type 2.1 10-Speed Long Cage Rear Derailleur. If you demand precision and durability from your biking components, the MTB Gx Type 2.1 Rear Derailleur is the ultimate choice. Why Choose the MTB Gx Type 2.1 Rear Derailleur?.