2-Pack SPINGO Aluminum Alloy TPU Inner Tube 700C x 23c-32c with 48mm/60mm/80mm Presta Valves TPU Bike Tube Lightweight Bicycle Spare Tire

2-Pack SPINGO Aluminum Alloy TPU Inner Tube 700C x 23c-32c with 48mm Matel Presta Valves TPU Bike Tube Lightweight Bicycle Spare Tire

• Metal Presta Valve: Spingo TPU inner tube 700c is compatible with many tire sizes: 23/25/28/30/32c, the sizes of the presta valve are 48mm, 60mm, and 80mm.
• TPU Material: TPU inner tubes are lighter and stronger than butyl rubber and have higher air tightness than latex. With a weight reduction of 70% compared to ordinary butyl rubber inner tube, the use of this TPU ultra-light inner tube can significantly reduce the rotational mass of the vehicle riding, making the ride more flexible.
• Portable: The size of the bicycle inner tube is only 4.45in* 1.38in* 1.18in, which is about 2/3 volume less than the traditional butyl rubber inner tube, reduce the burden on the bicycle, and make the ride lighter.
• Environmental Protection: TPU (thermoplastic polyurethane elastomer material) inner tube is made of green and environmentally friendly thermoplastic polyurethane material, which can achieve 100% recyclable.
• Buy with Confidence: After you receive our TPU inner tube, no matter what problems you encounter, you can contact us at the first time, and we will provide technical guidance and after-sales guarantee.