Upgrade your mountain bike with for mountain bike cassette, which is designed for optimal compatibility with for system. This high-quality tape has 11-speed, ensuring the perfect match of various riding styles and conditions. for cassette is made of high-quality Chrome-molybdenum steel, which has extraordinary strength and light weight, reduces the overall weight of bicycle and is easy to carry. 52T's various bucket tooth options provide versatility for different terrains, from steep climbing to fast downhill. Experience smooth gear shifting and enhanced durability with this well-designed bicycle cassette, making it an ideal choice for amateur and professional cyclists seeking to improve their riding experience. Colour:As Shown Material:Chrome-molybdenum steel Package Contents: 1 x Bicycle flywheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.