... body and aluminium alloy material, 20" size, steel material 20*2.35 wheel We are Hebei Tianzheng Bicycle CO., ltd are a manufacture ... tricycle and bike parts, such as bike axles, bicycle basket, bicycle pedal, saddle, bicycle freewheel, bicycle pump and so on. We can supply in ... we can cooperate in near future for a long time. freestyle bicycle 20" size BMX bicycle good quality, best price