Ridenow 2-Pack Bike Inner Tube for 700/18C-28C, 700/18C-32C,700/28C-38C with 45/65/85 mm Metal &TPU Presta Valves for Road Bikes, Super Light Puncture Resistant (Include Patch Repair Kits)

Ridenow 2-Pack Bike Inner Tube for 700/18C-28C, 700/18C-32C,700/28C-38C with 45/65/85 mm Metal &TPU Presta Valves for Road Bikes, Super Light Puncture Resistant (Include Patch Repair Kits)

• 【Ultra-light Inner Tube】Made of thermoplastic polyurethane elastomer material (TPU), reduce weight, 70% lighter than the old butyl rubber inner tube. Makes it easier to carry and more sensitive
• 【Strong and Puncture Resistant】The new TPU material has good puncture resistance, wear resistance, durability and anti-aging. They ward off sudden flats and maintain stable performance, even at lower tire pressures. In addition, the TPU material is oil and water resistant, and has excellent load-carrying capacity
• 【Enhanced Air Tightness】These road bike inner tube feature presta valves.The internal design of the air rod is optimized to make it more airtight. The application of the valve pad rubber effectively reduces the friction between the tire tube. Choose from metal&TPU 45/65/85mm valve lengths to suit your bike rim
• 【Fits Multiple Tire Sizes】This road series Inner Tube is compatible with many tire sizes: 700/18C-28C, 700/18C-32C, 700/28C-38C (Includes Bike Tube Patch Repair Kits)
• 【Proper Inflation Instructions】To prevent irreversible damage, avoid overinflating the inner tube when not installed in the tire. When installing, start with an initial inflation of 0.5 PSI, ensuring that the inner tube adheres closely to the tire's inner wall