Roller bearing clutch and parallelogram design combine to minimize chain bounce, making the drive train safer and quieter over rough terrain
Not compatible with multiple chainring drive trains
Pulleys have sealed cartridge bearings
Aluminum cage and parallelogram
Sram's Apex 1 drivetrain provides the gear range and the shifting simplicity to let you simply go where you want. The Apex 1 rear derailleur makes that gearing choice a reality with clean, crisp shifts, thanks to sram's X-HORIZON geometry and our roller bearing Clutch.