Bicycle front derailleur clamp-Shimano Ultegra CS-R8101 Cassette

The Shimano Ultegra 8101 Cassette provides the most efficient gear shifts possible through a 12-speed range, helping you climb, sprint, or ride with ease on the road. With a refined 12-step gear combination, this cassette ensures optimal power transfer and smooth transitions through gears. Featuring Hyperglide+ technology, it provides faster and smoother shifts even under maximum pedaling force, enhancing the rider's confidence and control. Compatible with the new 12-speed and road 11-speed freehub body, the Shimano Ultegra 8101 Cassette is designed to seamlessly integrate with modern drivetrains. The Shimano Ultegra 8180 Cassette makes road shifting more reliable than ever.