Shimano Ultegra 11-34 12 speed

The Shimano Ultegra CS-R8101 12s 11-34T Cassette is a high-end component for road bikes that offers fast, smooth and efficient shifting on any terrain. Thanks to HYPERGLIDE+ technology, this cassette allows you to change gears even with maximum pedaling power, without interruptions or loss of performance. Plus, it's compatible with Shimano's 11- and 12-speed rear hub bodies, making it easy to install and maintain. With a combination of sprockets from 11 to 34 teeth, this cassette adapts to all types of profiles and riding styles, from the most demanding climbs to the fastest flats.