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 very rigid thanks to the use of spiders, which ensures better power transmission. With the Shimano Ultegra R8000 cassette, you get the perfect support while cycling, no matter where you're riding. Choose from different cassette ratios, such as 11/25, 11/28, 11/30, 11/32, 12/25 and 14/28, depending of course on the type you want to ride. This cassette is suitable for 11-speed HG-X or HG-EV bicycle chains. Product specifications: - Item number: ICSR800011125 - Ean: 4524667623281 - Brand: Shimano - Model: Ultegra - Type: R8000 - Bike type: racing bike - Net weight (G): 232 - Number of gears: 11 - Compatible body: Shimano - Gear ratio: 11-25 - Color: silver - Material: steel - Primary base color: gray - Suitable for: racing bike -Gear Combinations: 11-25Z, 11-28Z, 11-30Z, 11-32Z, 12-25Z, 14-28Z