Description *Thread Type Sprocket for Thread Type hubs onlyBrand new and high quality *For mountain bikes, gearshift wheels. * full steel design. *With our affordable pricing and high-quality construction, our brake pads offer unbeatable value for , making them the perfect for cyclists of all levels. *for 7 or 21（3x7） speed bikes specification Material: Steel Weight: approx 320 g Level: 7 SPEED (14-28T ) Installation method: Rotary high: 41mm package list 1x 7Speed Thread Type Sprocket Suggestion: If you want to replace a new cassette, you had better to install a suitable chain at the sametime, otherwise the shifting may cause significant noises and failures in working. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. 【Thread Type Sprocket】This sprocket is specifically designed for thread type hubs, ensuring compatibility and optimal performance. 【Suitable for Mountain Bikes】Ideal for use on mountain bikes, this sprocket is designed for gearshift wheels, providing smooth and reliable shifting. 【Durable Full Steel Design】Constructed with steel, this sprocket is built to withstand heavy use and provide long-lasting durability. 【Affordable and Reliable】With our competitive pricing and top-notch construction, our sprocket offers exceptional value for money, delivering reliable performance for cyclists of all levels. 【7 or 21-Speed Compatibility】Designed for 7 or 21-speed bikes, this sprocket (14-28T) offers a wide range of gear options for versatile riding.