Hutchinson Unisex Bicycle Inner Tube, Black, 700 x 37 to 50

This pack contains 2 high-quality road inner tubes, equipped with Presta valves to ensure perfect high-pressure sealing. It’s the ideal solution to fully equip your bike or to have a spare tube ready immediately The "Pack of 2" format is a smart choice for regular cyclists. More economical, it lets you ride with peace of mind, knowing you always have a backup solution in case of a double puncture or to help a friend. It's the assurance that you'll never be stranded by the roadside. True to Hutchinson’s century-old expertise, these inner tubes are made from premium Butyl with a 0.9 mm wall thickness. This material provides excellent resistance to heat build-up and small punctures, ensuring enhanced durability for both training and competition use. These tubes strictly comply with ETRTO standards for road tires. They fit narrow rims perfectly, ensuring uniform pressure retention, which enhances performance and safety in corners and on fast descents. Fitting Tips - Always keep one of the two inner tubes in your repair kit. Before installation, check the inside of the tire and the rim tape. Don’t forget to unscrew the Presta valve core before inflating and screw it back firmly afterward for optimal sealing.