Tubes for BMX wheels are available with different valve types depending on the valve hole diameter on the rim. Shop our wide choice of 20 or 24 inch inner tubes specially designed for this practice.
There are 46 products.
OS20 is not 22" diameter but larger 20" diameter. The OS20 is therefore a higher and larger diameter for stiffness and velocity. It was designed to offer more speed and less rolling resistance compared to the conventional 20 "diameter.