Material : 6061T651 Screw : SUS (Stainless) Production method : Extrusion die & CNC Machined Weight : 44g ———————————————————— Can be stable in riding and be a perfect position in folding. The rubbers used in the interior with dampening effect. To keep the bottle stable in riding.Before bike folding, it is necessary to slide the bottle klick forward and rotate it 90 degrees to the right. When the front stem is fully folded, it will not injure the frame.