SRAM XX SL Eagle Transmission XS-1299 12 Speed Cassette - Silver shimano you must fill the air

you must fill the air chamber before air will begin to flow into empty tire/tube

Unique chainring design results in a lighter

Better grip and control from multiple riding positions

Dimensions: 9

Upgrade your braking with the SRAM CenterLine X Centerlock Rotor

SRAM XX SL Eagle Transmission XS-1299 12 Speed Cassette - Silver shimano you must fill the airThe XX SL 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. This is the lightest Eagle cassette in history as well as our most precise and long lasting. Its new gen features a fully machined, hardened steel X Dome architecture for gears 1 9 and an ultra lightweight, all