Detailed Product Description MY-CB-9032-12" FOBningboUSD21.56 Packing:66x16x31cm,Weight:9kg MY-CB-9032-16" FOBningboUSD23.49 Packing:86x16x41cm, Weight:11kgBody-frame,tig welding,cp-Rim 16/20H, 9 type-chain cover,with training wheelsWe have passed CCC, CE,EN certificate.