2 Pack Ridenow Inner Tubes 700 x32 47c Gravel Bike TPU with 45/65mm Presta Valve

Versatile Size Range: This ultralight inner tube fits 700x32/35/37/40/47c Grave bike tires. Also fits 27x1-1/4, 28x1-3/8, 28x1-1/2, 29x1.50, 29x1.75 mountain bike tires. Special TPU Material: Crafted from special TPU material, these inner tubes offer excellent toughness, enhancing their resistance to punctures while remaining lightweight (45grams). Multiple Valve Length Options: With a choice of 45mm, 65mm Presta valves, you can select the valve length that best suits your needs. Inflation Caution: Avoid overinflating when not installed in the tire to prevent irreversible damage. Prior to installation, check for air leaks with a slight inflation. Seamless Installation: During setup, start with 0.5PSI inflation, ensuring the inner tube adheres to the tire's inner wall. Avoid exceeding 5PSI in empty play to prevent irreparable expansion.