Continental Unisex's Compact Tubes Bike Parts, Other, [32/47 507/544]

Amazon

Available in all sizes, the standard inner tube offers the best compromises for the demands of everyday life Weight and rolling resistance can be significantly improved with Light and Supersonic inner tubes However, the thinner wall thickness of 0.45 mm increases the risk of a puncture. Light inner tubes must be inflated more often

Blacks

Made from high-quality butyl rubber, it ensures long-lasting air retention and a smooth ride. Perfect for road, urban, or light trail use, it's an essential spare for any 24" Wheel bike setup.