18 Teeth Bike, Sprocket One Speed Flywheel 1618T Freewheel Chain Single Speed Replacement Accessory

Made of high quality metal, corrosion resistant, high performance and .

rotation without too much noise. High internal thrd, tight connection with hub, . Ftures:  Made of high quality metal, corrosion resistant, high performance and .

rotation without too much noise. High internal thrd, tight connection with hub, . Provides fast cycling speed and reduces the amount of work required. Lightweight and small, sy to install on your bike. Specification: Condition: 100 Brand New Material: Metal Color: as picture shown Diameter: approx. 7.8cm/3.1inch Package list: 1 x Freewheel