Panaracer Tube WO Presta 48mm Set of 4 R-AIR 700x23-28C

We offer a wide variety of products, and the following precautions apply to some of them. Please note that they are listed for all products. 【Voltage Compatibility】Designed for Japanese voltage (90-110V). Using with a different voltage may cause malfunction. 【Plug Type】Japanese plugs (A or B type). Use a conversion adapter if needed. 【Transformers & Adapters】Transformers adjust voltage; adapters only change plug shape. Using an adapter without a transformer may damage the product. 【Liability】We are not responsible for damages caused by improper use, such as using the product without a transformer. Sold in packs of 4 of the same size. Sold in packs of 4 of the same size. Uses the newly developed high-strength butyl rubber "Air Flex Lite Butyl". A racing tube that achieves the best balance of "lightness" and "durability". It has 2.1 times the elasticity and high vibration absorption of conventional tubes, and its high road conformability reduces riding stress. There is no point in reducing the weight if it compromises durability or puncture resistance. The best balance between lightness and durability is what we wanted from the R-AIR. Designed exclusively for racing. Size: W/O 700 x 23-28C. Valve: Presta 48mm. Material: Airflex Slight Butyl. Reference weight: 77g/each. *The package may change without notice. A racing tube that achieves the best balance of lightness and durability.