The BA0305A SunRace 11SP cassette is a high-quality SunRace cassette. This cassette has 11 gears with a wide ratio, which guarantees smooth shifting. The cassette is equipped with fluid-plus drive technology, which means transitions between teeth are smooth and efficient. With a combination of 11-36T teeth, this cassette offers a wide range of speeds for different areas. The spider, spacer and knoskrans are made of black anodized aluminum, while the tooth crowns are made of high-tensile steel for durability. The cassette is finished in an elegant black color and has countersunk holes for weight reduction. Weighing just 360 grams, this is a lightweight option for cyclists seeking optimum performance. Product specifications: - Model: CSMS8 - Gears: 11 (wide ratio) - Function: Drive Fluid Plus - vertu: 11-36T -Dandement: 11-12-15-17-19-21-24-28-32-36 - Material: - spider, spacer and knoskrans: aluminum / black anodized - Dent crowns: hi-nil steel - Finish: Ed Zwart - free holes for weight reduction: yes - Weight: 360 grams