Feature:1. High Tensile: Steel plate is nickel chromium plated, multilayer electroplating and anti rust treatment, high accuracy gear ratio.2. Deficient Tooth Design: Irregularly shaped teeth with cutting angles, smoother gear shifting and weight reduction, and strong compatibility.3. Hollow Design: Can easily reduce weight, reduce the burden of riding, achieve good balance between strength and weight, make riding lighter and smoother.4. 10 Speed 32T Flywheel: Smooth rotation and no noise, to ensure close connection with the bicycle hub and stable operation.5. Easy to Install: Directly replace the old or damaged flywheel, an excellent accessory for road bikes, without any adjustments to the transmission system.Specification:Item Type: 10 Speed Bicycle FlywheelWeight: Approx.436g/15.4ozSuitable: for Road BikesMaterial: Nickel Chromium SteelSpeed Ratio: 10 Speed 32T, 11T-13T-15T-17T-19T-21T-23T-25T-28T-32T.Package List:1 x Bicycle Flywheel2 x Gear Ring1 x Flywheel Cover