Q-Tubes Cyclocross Tube
The Q-Tubes Cyclocross Tube holds air, has a removable valve core, and has a 48mm-long valve stem -long enough to clear mid-depth wheels. It'll work best with tires between 28 and 32mm wide. Details BUY THIS PRODUCT!
Q-Tubes Presta Kids' Bike Tube
The earlier they learn to change tires, the better off they'll be. Flats will happen, so make sure your grom is carrying a spare tube when they head out to explore the trails with you. Made by Kenda for wholesale giant Quality Bike Products, Q-Tubes' Presta Kids' Bike Tube will fit inside a kids... Details BUY THIS PRODUCT!