SRAM X4 Rear Derailleur: BLACK 7/8/9 SPD LONG CAGE

SHIFTING PERFORMANCE

Leveraging the legendary history of SRAM shifting, the X4 rear derailleur provides great shifting performance.

SPECIFICATIONS
Speed (RD):  9/8/7s
Cable pull ratio:  1:1
Cage (RD):  Long
Max tooth:  34
Pulley bearings material:  Steel
Cage material (RD):  Aluminium