Description
48T/52 Chainring: Steel material, high strength and durable Plastic Double Wall Chain Cover: Light weight, prevent the chain from slipping, protect the chain, and make it more aesthetically pleasing Aluminiun Alloy Arms: 170MM length, aluminium alloy material, lightweight, strong strength, and will not rust. Suits for: E bike City bike and folding bicycle, compatibale with Single speed bicycle and electric bike, 6/7/8 gear bicycles and electric bike