Shock Absorption 30.4 30.9 31.6mm Bike Saddle Pole Seat Tube Bicycle Seat Post 25.4 27.2 28.6mm

Label:Yes Diameter: 25.4mm/27.2mm/28.6mm/30.4mm/30.9mm/31.6mm Note:30.8mm and 30.9mm are the same specification these two send randomly Package: 1pc bike seatpost Material: Aluminum Zinc Zinc Zinc Zinc Alloy Net Weight: 350g-400g Length: 350mm/450mm Warm Tip : Please be reminded that due lighting effects, monitor's brightness/contrast settings etc, there could be some slight differences in the colour tone of the website's photo and the actual item. Item Measure by hand, it could be 1cm diferent,your kind understanding will be much appreciated.