YunSCM 2 Pack 700C Bike Tyre Inner Tubes TPU Ultralight 700x35/45C ETRTO 35/45 622 FV60mm Presta Valve with Rim Strips Compatible 700x35C 700x37C 700x38C 700x43C 700x45C Bike/Bicycle Tire

Size: FV60mm Presta Valve, fit in700x35C 700x37C 700x38C 700x40C 700x42C 700x43C 700x45C Bike/Bicycle tyre (ETRTO: 35-622,36-622,37-622,38-622,39-622,40-622,41-622,42-622,43-622,44-622,45-622,46-622,47-622). Environmental protection :TPU (thermoplastic polyurethane elastomer material) inner tube is made of green and environmentally friendly thermoplastic polyurethane material, which can achieve 100% recyclable. Upgrade: 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, accelerating more agile, and bringing improved handling and climbing speed. Portable: The TPU inner tube is more than 50% smaller than the traditional inner tube when folded, and easy to carry, reducing the volume placed in the pocket (or car bag), freeing up valuable space to carry more supplies. This product is an ultra-lightweight inner tube, which is ideal for enjoying short and easy rides. The inner tube of environmentally friendly material is very good for the environmentally friendly outer tube and the colored outer tyre, and will not pollute and affect the color of the outer tyre. This inner tube is prepared for a short ride to increase the sense of experience, its weight can save a lot of physical strength, if used in daily commuting, you need to check the tyre pressure and replenish air in time. In addition, because of the ultra-thin reason, in the installation and daily need to keep the tread and the frame are absolutely clean and flat. Note: The Presta valve core of this inner tube is not removable.