SRAM Force 22 WiFli Medium Rear Derailleur

Features of the SRAM Force 22 WiFli Medium Rear Derailleur Carbon fiber and aluminum construction Cartridge bearing pulleys Stainless Steel hardwAre Rear Derailleur Mount Type, 10x1 Standard Drivetrain Speeds, 11 Largest Cog, 32 Chain Wrap Capacity (teeth), 37 Weight, 186 Rear Der/Shifter Compatibility, SRAM Exact Actuation Cage Length, Medium