... .most reasonable price 3.material:Aluminum&steel 4.Size: 20 inch aluminum & steel Bike Rim1.We are the manufacturer of bicycle and bicycle ... , mountain bicycles, and all kinds of bicycle components, such as Bike Saddle, Seat post,chainwheel&cranks,Fork,Chain,Suspension,Rim,Tire ... ,Handlebar,Spoke,Derailleur,Hub and so on. ISO9001 Bicycle Wheels 20 Inch