The EX1 derailleur builds on the rugged construction and precise shifting attributes of the X-HORIZON® design to create the world's first derailleur designed specifically for E-MTBs.Designed to handle high-torque, low-cadence shifting on the 11-48-tooth E-BLOCK® cassette, the EX1 derailleur gives E-MTB riders crisp, secure shifting so they can spend more time enjoying the ride. Features:- Proven SRAM X-HORIZON® design that reduces shifting force, ghost shifting and chain slap- X-SYNC® 12-tooth pulley wheels- EX1 derailleur is specifically designed for E-MTBSpecifications:- Speeds:8- Weight:289g- Outer cage:Aluminum- Inner cage:Aluminum- Bearings:Steel- Maximum tooth:48- Traction:X-ACTUATION®Technology:CAGE LOCK®:- With CAGE LOCK® technology in the rear derailleur, wheel® removal and installation, as well as chain® installation, becomes faster and easier.ROLLER BEARING CLUTCH®:- ROLLER BEARING CLUTCH® rear derailleurs offer maximum drivetrain stability even in the most challenging ter...