Shimano CS-R8101 Ultegra 11-30T 12-Speed Cassette

Shimano Ultegra CS-R8100 – Redefining Road Shifting

Shimano’s HYPERGLIDE+ technology has already transformed off-road shifting—now it’s your turn on the road. With the CS-R8100 12-speed cassette, riders can shift seamlessly under full load, whether climbing hard, sprinting, or racing a friend. No need to ease off your pedalling—every gear change is smooth, fast, and precise.

Key Benefits:

• Peak Efficiency: Refined 12-step gear combination delivers optimal acceleration and cadence control for every racing scenario.
• Smooth Shifts Under Load: Perform seamless shifts even at maximal pedaling force, without compromising momentum.
• Wide Compatibility: Works with both 12-speed and existing 11-speed Shimano road freehub bodies for flexible drivetrain setups.

Specifications:

• Cassette Model: CS-R8100
• Speeds: 12-speed
• Gear Range: 11-12-13-14-15-16-17-19-21-24-27-30T
• Weight: 291g
• Technology: HYPERGLIDE+
• Compatibility: Shimano 12-speed and 11-speed road freehub bodies

Shimano Ultegra CS-R8100 – the new standard in road shifting, built for maximum speed and performance