2 Air Chambers + 2 Grey Tyres for Wheelchair, 24 x 1 3/8 Inches (37-540)

The air chambers are made of butyl, a kind of synthetic rubber, very elastic and at the same time air-tight. Depending on the mix used, different product qualities can be obtained: Ecovelò air chambers have extreme characteristics in terms of air tightness and elasticity and can be used for a wide range of tyre sizes. The Ecovelò cover consists of four basic elements: frame (frame), circle for a stable positioning on the rim, tread rubber compound, anti-puncture protection (except for ultra-light and sporty specials where this feature is intentionally eliminated). -