Aluminum Zinc Zinc Alloy Bike Seat Post Clamp Quick Release Bicycle Seatpost Clamps CNC Bike Saddle

Label:Yes 31.8 seat tube clamp, suitable for seat tubes with diameters of 27.2mm(1.07in) and 28.6mm(1.13in) specification: 31.8mm(1.25in) / 34.9mm(1.37in) material quality: aluminum Zinc Zinc Alloy product list:1pc seat tube clamp color: black, red, blue, gold, silver 34.9 seat tube clamp, suitable for seat tubes with diameters of 30.4mm(1.20in), 30.8mm(1.21in), and 31.6mm(1.24in) weight: 34.9mm(1.37in) about 40.6g (including packaging), 31.8mm(1.25in) about 38.4g (including packaging) note: due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. thank you! please allow 1-2cm(0.39-0.79in) measuring deviation due to manual measurement.