SRAM Complete Rear Axle Assembly Kit Axle Threaded Lock Nuts End Caps 148 Boost 746 Hub Shimano Driver Body Weight-250g Range 10-50 Cogs 10-12-14-16-18-21-24-28-32-36-42-50 Cassette

Range 10-50 Cogs 10-12-14-16-18-21-24-28-32-36-42-50 Cassette Body Type SRAM XD Drivetrain Speeds 12 Color Black Weight 450 Designed for ebike Yes Defined Color Black Teeth 10-50T

The nipple will align perfectly due to its spherical contact surface

CNC machined 6061-T6 aluminum chain tensioners

Large 38mm chassis for increased stiffness and rider confidence

3 mm thick ventilated discs

SRAM Complete Rear Axle Assembly Kit Axle Threaded Lock Nuts End Caps 148 Boost 746 Hub Shimano Driver Body Weight-250g Range 10-50 Cogs 10-12-14-16-18-21-24-28-32-36-42-50 CassetteAxle set includes axle and end caps. Does not convert a hub or wheel to a different axle diameter or length