- Pedal continuously while shifting
- Lighter and stiffer cassette sprocket construction reduces inertia and increases acceleration
- 10T lowest sprocket realized by new FREEHUB body construction
- Advanced shifting performance provides the confidence to enjoy any trail
- Lighter drivetrain set up
- Wide range and close step 12-speed drivetrain
- Cassette/Driver Compatibility: Shimano MICRO SPLINE
- Wide range and close step 12-speed drivetrain
- Combination: choose; 10-45t, or 10-51t
- Compatible Chain: HG 12-speed
- Weight: 513g. (10-45T), 534g. (10-51T)