2x Ultralight TPU Road Bike Inner Tube 700x23 25 28 30 32C 45/65MM Presta Valve

2, Ultralight tubo style TPU tubes weighing only 28 grams. 3x lighter than a standard tube! 3, Before inflating the tube, turn the valve inward (towards the center of the tire circle). 1, Suitable for 700c tyres from 23mm to 32mm wide.