Valve for atypical aluminum wheels with a smaller hole for 8.3mm valve BBS RM / RS / RH Zw1 / Zw2 / Zw3. The valve is made of nickel-plated brass, resistant to corrosion. The metal cap has a rubber gasket inside, which prevents the valve from losing air from the tire. The valve is twisted and additionally sealed with a plastic washer. The attractive design of the valve certainly matches the iconic BBS rims.