SRAM XX Eagle XS-1297 Transmission 12 Speed Cassette Shimano 12x142 (R)

12x142 (R)

tool-free change

Specifically designed for Carbon Fibre parts

2020 Bicycling Magazine Editor Choice for the best high-volume mini pump

Fits regular size GPS computers

SRAM XX Eagle XS-1297 Transmission 12 Speed Cassette Shimano 12x142 (R)The XX Eagle Transmission (T Type) Cassette is a major reason why Eagle Transmission offers the best ever inboard and outboard shifting performance under load. Thanks to its full X Sync design, the harder you pedal, the better it shifts. Literally. Engineered as integrated and interdependent transmission components, the XX Eagle Transmission Cassette and derailleur contact directly, ensuring perfect alignment on every bike. From its massive 520% gear