700C TPU Bike Inner Tube. Ultra Lightweight Road Bicycle Inner Tube with Presta Valve. Upgrade your cycling experience with this premium 700C TPU Bike Inner Tube. Designed for road bikes, this ultra-lightweight TPU inner tube offers improved riding performance while reducing overall wheel weight. It is compact, durable and easy to carry, making it ideal for everyday rides, training and long-distance cycling. Ultra Lightweight TPU Construction. Designed for 700C Road Bikes. Available with 45mm, 65mm & 85mm Presta (FV) Valve. Compact & Easy to Carry. Strong & Durable Material. Quick & Easy Installation. Suitable for Daily Riding & Racing. Long Distance Cycling. Spare Inner Tube. TPU Bike Inner Tube. 45mm / 65mm / 85mm. 1 × 700C TPU Bike Inner Tube.