42T Chainring: Steel material, high strength and durable.
Aluminiun Alloy Chain Covers and Cranks: Sufficient strength and lightweight to reduce the weight of the entire bicycle. The weight of the Crankset and arm is 0.95kg/2.09LB
Suit for: E bike City bike and folding bicycle
Compatibale with: Single speed bicycle and electric bike, 6/7/8/9 gear bicycles and electric bike
Double Wall Chain Cover: Prevent the chain from slipping, protect the chain, and make it more aesthetically pleasing