Alloy extension that fits between the valve core and the base so they don't leak.21mm Suitable for rims up to about 40mm deep.
Alloy extension that fits between the valve core and the base so they don't leak.28mm Suitable for rims up to about 47mm deep,
Alloy extension that fits between the valve core and the base so they don't leak.31mm Suitable for rims up to about 50mm deep.
