10 Speed Bicycle Freewheel - Sensitive & Lightweight Bike Cassette for Mountain & Road Bikes - Easy Installation - Perfect for Commuting, Trail Riding & Road Cycling

Feature:1. Made of high strength steel nickel plated, with hardening technology, it has greater wear resistance, high temperature resistance, corrosion resistance, rust resistance, and no deformation. Good impact resistance, high accuracy teeth form, making riding more possible.2. Provides fast and accurate indexing conversion function through special tooth form and slope. Lost tooth design, irregularly shaped and irregular cut‑angle tooth form, is better compatible with various brands of transmission chains, and shifts quickly and smoothly.3. The hollow design can easily reduce the weight, reduce the burden of riding, achieve a good balance between strength and weight, easy to install and use, and is an ideal choice for reducing the weight of the bicycle.4. Easy to install, professional manufacturing, directly replace the old or damaged flywheel, excellent accessory for mountain bikes and road bikes, without any adjustments to the shifting system; unique mountain bike chain design, which can well control the shifting function.5. Independent small tooth form, the small teeth of the bicycle cassette flywheel are often used during use, and the independent small tooth design is convenient for future replacement and maintenance.How to Use:To identify the speed of the flywheel, the speed of the flywheel depends on how many rows of teeth there are on the flywheel. There are 10 rows of 10 speeds, and so on.Specification:Item Type: Bike FreewheelMaterial: Steel Nickel PlatedDiameter: Approx. 146mm / 5.7inSpeed: 10 SpeedNumber of Gear Teeth: 11-13-15-17-19-21-24-28-32-36TPackage List:1 x Bike Freewheel2 x Sprocket1 x LockringNote:Please allow slight error due to manual measurement.