Shimano Ultegra CS-R8101 Cassette - 12-Speed 11-30t Silver

Experience smooth, reliable performance with the Shimano Ultegra CS-R8101 Cassette - 12-Speed 11-30t Silver. Designed to deliver seamless gear changes, this cassette enables you to focus on your ride whether climbing steep hills, sprinting, or cruising effortlessly. Its larger driving cogs enhance drivetrain efficiency and ensure compatibility with both Shimano 11 and 12-speed freehub bodies, giving you versatility and consistent performance.

Integrated Shimano HYPERGLIDE+ technology guarantees precise, uninterrupted shifts both up and down your gear range, even under maximum pedaling force. This cassette features a refined 12-step gear combination optimized for rapid acceleration and efficient power transfer in all racing scenarios.

• Optimized 12-step gear range for maximum efficiency and smooth acceleration in any riding condition
• Enhanced shift speed and smoothness under heavy pedaling load for consistent performance
• Compatible with Shimano 12-speed and road 11-speed freehub bodies for broad versatility