... material,rust resistant forever,no deformation,no cracking,shock resistance,wear-resisting Bike Rack CC-H0002Material:Aluminum alloy Characteristic:1.Rust ... resistan forevert,no deformation,no cracking,shock resistance,wear-resisting.2.Friendly-environmental,no environment pollution, acid and alkali ... to get more information about us. Bike Rack,Cast Aluminum bicycle frame