Shimano Ultegra CS-R8101-12 – Advanced 12-Speed Road Performance
The Shimano Ultegra CS-R8101-12 cassette is designed for riders seeking high-performance 12-speed road gearing with smooth, reliable shifting. Built to complement Shimano Ultegra R8100 drivetrains, it offers efficient power transfer and consistent performance for racing and endurance rides.
The 11-30T configuration provides a versatile gear range, delivering tight gear steps for speed on flat terrain while offering lower ratios for sustained climbs. Precision-machined sprockets ensure fast, quiet, and accurate shifts under load.
- Model: CS-R8101-12
- Speed: 12-Speed Road
- Gear Range: 11-30T
- Sprocket Sizes: 11-12-13-14-15-16-17-19-21-24-27-30T
- Optimized for Shimano Ultegra R8100 series
- Application: Road Racing, Endurance, Performance Cycling
Ideal for performance-focused road cyclists upgrading to Shimano’s 12-speed platform, the Ultegra CS-R8101 cassette delivers race-ready efficiency with refined shifting precision.
