SRAM GX Rear Derailleur - 10 Speed Medium Cage Black MFPN=876745 Must use 3T bolts provided

Must use 3T bolts provided with crankset

42 BB/Frame Interface BB30 BB Shell Width (mm) 68 BB Shell Width (mm) 73 Weight 127 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color Black

Not Included: XZN-16 Tool for disassembly

Brake Caliper Type Post Mount Mount | Rotor Size 160 Post | 170 Rotor

Zero Offset 2-bolt head

SRAM GX Rear Derailleur - 10 Speed Medium Cage Black MFPN=876745 Must use 3T bolts providedSRAM GX Rear Derailleur 10 Speed Medium Cage Black. SRAM GX rear derailleur takes the place of X. 9 and X. 7 10 speed models and provides shifting speed and precision. Exact Actuation technology eliminates slop and shifting variation Roller Bearing Clutch delivers maximum drivetrain stability even through the most punishing terrain TECH SPECS Largest Cog 36 Color Black Rear Der Shifter Compatibility SRAM Exact Actuation Rear Derailleur Mount Type 10x1