Click to expand Tap to zoom Click to expand Tap to zoom Click to expand Tap to zoom Click to expand Tap to zoom Air Valve Knob Only SKU UP-23010-1 Original price $12.00 SGD - Original price $12.00 SGD Original price $12.00 SGD $12.00 SGD - $12.00 SGD Current price $12.00 SGD | / Availability: (Pre-Order) Quantity Pre-Order Now! Large chrome aluminum screw on air valve knob, knob only.