product name: shock absorber rear gallbladder turning point material: 7075 aluminum alloy+teflon gasket aluminum tube: inner diameter 8mm(0.31in), outer diameter 12mm(0.47in) black rubber pad diagram: inner diameter 12mm(0.47in), outer diameter 18mm(0.71in) length: the total length is 22/24/32/44/50/52/54/68mm(0.87/0.94/1.26/1.73/1.97/2.05/2.13/2.68in) suitable for use with shock absorber width of 12.7 packing:1pc*Bike Rear Shock Absorber Attention: This product comes with a DU. If there is a DU on the original shock absorber, it needs to be removed and replaced before use. Many car enthusiasts buy a rear bumper that does not fit their own frame. This product is a modified version of the rear bumper that fits the width of the frame
