20x1.9/2.2 33 mm Schrader Valve Inner Tube size-g-5-n-10381-b-958 Approved by our qualified trainers

Approved by our qualified trainers and ITTF certified

You'll never lose it again

You can write their name on the label inside the collar

which corresponds with a height window of 20 cm (90 cm to 110 cm)

Designed for replacing the brake housing on your bike

20x1.9/2.2 33 mm Schrader Valve Inner Tube size-g-5-n-10381-b-958 Approved by our qualified trainersThis inner tube is suitable for 20" diameter tyres with 1. 90 to 2. 20 section with a 33mm Schrader valve. To remove your inner tube, the tools you'll need are: Remove your inner tube easily with BTWIN tyre levers. Checks to carry out before installing an inner tube: Even a tiny fissure in the rim strip can cause a slow leak. Inspect each element before mounting. Fitting a tyre: Proper fitting starts at the valve and ends at the opposite end, without