The Tay-Box B SunRace CSMS3 cassette is a 10-speed cassette specially designed for mountain bikes. With a gear ratio of 11-42T, this cassette offers a wide range of speeds for different riding conditions. The cassette is made from high-quality materials, with an aluminum spider, spacer and knoskrans for durability and a black anodized finish for an elegant look . The cassette is compatible with Shimano MTB HG Freewheels and Shimano / SRAM (GX and X9) 10-speed gears, making it a versatile choice for bikers. With a weight of 448 grams, this cassette is also lightweight and contributes to a smooth, efficient ride. Product specifications: - Brand: SunRace - Model: CSMS3 - Bicycle type: MTB - Number of gears: 10 - Compatible body: Shimano - Gear ratio: 11-42 - Black color - Material: - Spider, spacer and knoskrans: aluminum / black anodized - Dent crowns: hi-nil steel - Finish: Ed Zwart - Weight: 448 grams