The Shimano Ultegra R8000 cassette is an excellent choice for cyclists who want fast, quiet, and smooth shifting. This cassette offers a low weight and is extra stiff thanks to the use of spiders, which ensures better power transfer. With the Shimano Ultegra R8000 cassette, you get the perfect support while cycling, regardless of the terrain. Choose from various cassette ratios, such as 11/25, 11/28, 11/30, 11/32, 12/25, and 14/28, depending on the type of trail you intend to ride. This cassette is compatible with 11-speed HG-X or HG-EV bike chains. Product specifications - Article number: ICSR800011125 - EAN: 4524667623281 - Brand: Shimano - Model: ULTEGRA - Type: R8000 - Bicycle type: Road bike - Net weight (g): 232 - Number of sprockets: 11 - Compatible body: Shimano - Sprocket ratio: 11-25 - Color: Silver - Material: Steel - Primary base color: Gray - Suitable for: Road bike - Gear combinations: 11-25Z, 11-28Z, 11-30Z, 11-32Z, 12-25Z, 14-28Z