• Material: aluminum alloy. Packing: 1PC.
• Dimensions: Total length: 160mm (6.3in), bottom diameter (upper diameter): 1-/8Inch (28.6mm), steering tube diameter: 22.2mm (0.87in).
• Sturdy, corrosion-resistant, durable and can be used for a long time.
• Working principle: After inserting the heart into the tube, lock the screw rod, the oblique nut and the tube are misaligned due to the oblique opening, so as to expand to achieve the function of tightening the inner wall.
• Use all size suitable bicycles.