Shimano CS-R8101 Ultegra 12-speed cassette 11 - 30T

now from £119.99

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price updated: 04/04/2026

Shimano CS-R8101 Ultegra 12-speed cassette 11 - 30T

Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changesHyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wearWide gear range to meet the demands of all types of riderFor use with 12-speed chains

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About: Shimano

Shimano is a leading brand in the cycling industry, renowned for its high-quality components and innovative technology. The company offers a range of cycling products, including drivetrains, brakes, wheels, pedals, and shoes. Shimano's drivetrain components, such as its derailleurs and shifters, are widely regarded as some of the best on the market, providing smooth and reliable shifting for cyclists of all levels. The company's disc brakes are also highly regarded, providing excellent stopping power and modulation. With a commitment to innovation and a focus on the needs of cyclists, Shimano continues to be a go-to choice for cyclists looking for top-of-the-line components for their bikes.

About: Cycles UK

Cycles U.K. is a notable cycling retailer with a presence in the United Kingdom, specializing in providing a wide range of bicycles, accessories, and cycling gear. The store caters to cyclists of various disciplines and skill levels, offering a diverse selection of bikes, including road bikes, mountain bikes, hybrids, and electric bikes. In addition to bicycles, Cycles U.K. supplies a comprehensive range of cycling accessories, clothing, and components. Known for its commitment to customer service and product expertise, the retailer aims to assist cyclists in finding the right equipment for their needs. Whether through its physical stores or online platform, Cycles U.K. serves as a go-to destination for individuals looking to purchase quality cycling products and receive expert guidance in the United Kingdom's cycling community.

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