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)