SRAM EX1 1x8 Speed Long Cage Rear Derailleur

Features of the SRAM EX1 1x8 Speed Long Cage Rear Derailleur X-Horizon design minimizes chain slap, maximizes 1x drive train Performance Engineered for High-torque, low-cadence E-bike operation Rear Derailleur Mount Type, 10x1 Standard Cage Length, Long Rear Der/Shifter Compatibility, SRAM 1:1 Largest Cog, 48 Chain Wrap Capacity (teeth), 37 Drivetrain Speeds, 8 Color, Black Designed for ebike, Yes