The Shimano ULTEGRA CS-R8000 cassette is a high-performance gear system that offers cyclists superior choice. With 11 gears and a gear ratio of 11-28, this cassette is ideal for road bikes. The silver design adds a stylish touch to your bike. The ULTEGRA CS-R8000 cassette is compatible with Shimano and is recommended for use with HG-X 11-speed and HG-EV 11-speed chains. Product specifications - Article number: ICSR800011128 - EAN: 4524667623090 - Brand: Shimano - Model: ULTEGRA - Type: R8000 - Bicycle type: Road bike - Net weight (g): 251 - Number of sprockets: 11 - Compatible body: Shimano - Gear ratio: 11-28 (11-12-13-14-15-17-19-21-23-25-28) - Recommended chain: HG-X 11-speed, HG-EV 11-speed