Using SHIMANO's new MICRO SPLINE freehub body and HYPERGLIDE+ tooth profile, these 10-51T cassettes deliver advanced shifting performance.
FEATURES
- Definitive shifting performance
- New shift ramp designs provide the fastest, smoothest shifts by HYPERGLIDE+
- BEAM SPIDER
- Lighter and stiffer construction
- Reduces cassette inertia resulting in faster acceleration and increased chain security
- MICRO SPLINE
- 10T lowest sprocket realized by new FREEHUB body construction
- Wide range and close step 12-speed drivetrain
