Material: Aluminum Alloy, Stainless-Steel, PolyesterChest wheel size: 185*88*55mmWeight: 500 gramsThe chest-mounted pulley that can quickly disassemble and assemble the rope is used to keep the person upright when the long-distance...

Material: Aluminum Alloy, Stainless-Steel, PolyesterChest wheel size: 185*88*55mmWeight: 500 gramsThe chest-mounted pulley that can quickly disassemble and assemble the rope is used to keep the person upright when the long-distance...