48T 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
Total Weight 0.85KG/ 1.87LB