12×2.125 Unicycle inner tube with 45° valve

Inner tube 12×2.125 Unicycle Valve 45º Dimensions: 12 1/2 x 2 1/4 (57-203).

Compatible with: Children's bicycles, unicycles, electric bicycles

High quality: Made from the highest quality butyl rubber, ultra resistant to tearing, scratches and durable, it features a high quality valve that retains more pressure.

Stable performance: the rubber tires of the new version have a Good flexibility and good damping capacity , with the ability to withstand pressure changes, the valves are well made and can hold more pressure.