SRAM Apex 1 rear derailleur

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™. Just go: Apex 1 will get you there. Features: - Long cage fits up to a 42 tooth cog - With CAGE LOCK™ technology, wheel removal and installation are easier than ever - Compatible with 10-speed and 11-speed SRAM 1x™ road systems - Equipped with Roller Bearing Clutch™ - X-HORIZON™ design reduces shift force, eliminates ghost shifting and chain slap - Large upper pulley offset automatically adjusts chain gap - Steel cage Specifications: - Speed: 11 - Cable pull ratio: Exact actuation - Cage: Long - Max tooth: 42 - Pulley bearings material: Steel - Cage material (RD): Aluminum