The SunRace MX8 cassette is an 11-speed cassette suitable for use with Shimano and SRAM bodies. This cassette has a wide range from 11 to 42 teeth, so you always have the right tooth, whether you're going up or down. The cassette is made of high-quality steel and weighs just 401 grams. With the black color and the red spider and soder, this cassette has an elegant look . Product specifications: - Brand: SunRace - Model: CSMX8 - Number of speeds: 11 -Resistance: 11-42T (11-13-15-17-19-21-24-28-32-36-42) - Color: black with red spider and soder - Material tooth crown 1-10: steel hi-enle - Material tooth sprocket 11: A7075 Aluminum / Anodized - Weight: 401 grams Note: This cassette is compatible with Shimano MTB HG / SRAM No-XD Freeweles and Shimano / Sram 11 speeds.