Road Bike Inner Tube 700x25-32/18-25/35-45 Bicycle Replacement Butyl Inner Tube with 48/60mm Presta Valve for Road Bikes (2 Pack)

Features High-Quality Rubber Material: Made from High-quality butyl rubber compound, airtightness, heat resistance and durability.

The airtightness of this high-quality rubber is 8 times that of natural rubber, and it is not easy to break due to temperature changes.

Our sidewall thickness is thicker, the allowable inflatable section is more elastic and resistant to puncture Vulcanized Tubes: Each of our inner tubes have passed a strict 100% quality control inspection.

And all tubes are round cured to ensure uniform roundness and better reliability.

The inner tube uses a highly airtight nozzle to prevent dust from entering and enhance durability Suitable for Most Inner Tubes: 2 packs, 700X18/25C F/V-48 fits 700c road bikes that are between 18 to 25 wide-48mm Presta Valve; 700x25/32C F/V-60( 25 to 32 wide-60 mm Presta Valve); 700X35/45C F/V-48 (35 to 45 wide-48mm Presta Valve).

Bicycle replacement inner tube is suitable for most road bikes Easy to install: Installation is quick and easy.

Please follow the inflation guide when airing a tire from a complete flat.

Hassle-free to replace your old tire tubes within minutes which is time-saving and efficient.