4pcs Tpu Inner Tube 700c To 23 25 28 30 32c Road MTB Bicycle Tube 45MM 65MM 85MM French Valve

📖 Simple Installation for EveryoneStart at the valve, insert tube smoothly into the tire. Finish around the rim or install from both sides. Inflate slightly and adjust to avoid pinching, ensuring safe and easy mounting.💪 Premium TPU for Lightweight & DurabilityHigh-grade TPU delivers superior air retention, flexibility and heat resistance. Lighter, thinner and longer-lasting than butyl tubes, with lower rolling resistance for faster rides.Confirm size: 700×18-32C fits 700CSelect valve: match rim depth for easy inflation.Test for leaks before use for maximum safety.