SRAM XS-1270 12 speed cassette Home Backup Power Alpha TT 25 & T

Alpha TT 25 & T 20 get automatic software updates while charging

24pcs 850nm

Motor: 48V 1000W Hub Motor (Dual)

Output: 15V 1A

Say goodbye to lag and hello to productivity

SRAM XS-1270 12 speed cassette Home Backup Power Alpha TT 25 & TBlack Nickel chrome finish Quiet and durable and features a replaceable cluster of gears 8 12 (10T 18T) Full X SYNC for best ever inboard and outboard shifting performance under load Splined 8,9, 10 Speed Driverbody compatible steel Driverbody material required. 55mm chainline compatibility for more moderate chain angle, longer wear and greater precision Setup Cog for simple set up For use with T Type drivetrains only Attributes Cassette Freehub