SRAM Force XG-1270 12-Speed Cassette Sprocket - Silver Technology_Tubeless MODEL NO SM-BB71-41B SERIES SHIMANO

MODEL NO SM-BB71-41B SERIES SHIMANO

SHIMANO TOURNEY - Rear Derailleur - 7/8-speed

Compatible Axle:  Thru Axle (TA)  148mm

One Air-Liner Road insert

The Elite grade simulator is compatible with all latest generation trainers that allow your bike to rotate freely

SRAM Force XG-1270 12-Speed Cassette Sprocket - Silver Technology_Tubeless MODEL NO SM-BB71-41B SERIES SHIMANOForce XG 1270 Cassette Designed for the next generation of drivetrainsand the next generation of riders. The SRAM Force XG 1270 cassette is optimized for electronic shifting and features our X Range gearing technology. Smooth, precise shifts, from 10T on up. MODEL ID: CS XG 1270 D1 FEATURES Features at least five one tooth jumps for a smoother gear progression 10 tooth start helps provide a wider gearing range Designed to work with an XDR driver body