It's narrow

Two-piece construction allows set up for right or left side use

Rack mounts not compatible with child seats

Pre-aligned positioning for easier fork installation

Sram NX-EAGLE PG-1230 12-Speed Cassette 11-50T Black pickuponly It's narrowRide anywhere with the wide range PG 1230, 11 to 50 tooth Eagle cassette. The NX cassette gives riders every bit of the climbing range that the Eagle ecosystem affords with a simple upgrade to splined drive body wheels. Compatible with Shimano HG Sram Mountain driver bodies. Not compatible with the SRAM XD Driver body. This PG 1230 cassette is an integral part of the SRAM Eagle drivetrain Ecosystem. Wide 11 50t gear range a perfect fit for any ride.