CYCLAMI 2 Pack TPU Inner Tube 700C x 18/23/25/28/30/32C for Road Bike Tire Upgraded Durability Bicycle Tube 80MM Length of Aluminum Presta Valve

Fits multiple tire sizes: 2PCS in the package.Suitable for range of road bikes,compatible with many tire sizes: 700x18/23/25/28/30/32c-Metal nozzle; Presta Valve Length 80mm. Material: The road bike inner tube is made of high quality tpu material, which is abrasion resistant and more puncture resistant; The use of aluminum alloy valve nozzle, the air tightness will be better. Ultra light: The TPU Bike Inner Tube is only 38 grams, which is about 100 grams less than the traditional butyl rubber inner tube,reduce the burden on the bicycle, provide more sensitive acceleration and make the ride lighter. Small and lightweight: Inner Tube for Bicycle Tire features a small size for easy storage, and is lightweight for you to conveniently carry it around; They are take little space in a saddle bag. Reduce rolling resistance:the friction force generated on the tire is small, which can achieve the maximum speed and performance.Instantly add watts to your ride,Less rolling resistance meant you immediately got a little faster without working harder. Threaded metal stem design: The inner tube valve adopts a durable threaded metal stem, which provides good sealing performance and reduces air leakage; The metal stem improves the aesthetics of the bicycle