Shop Online › Oxford No 8 Ball Valve Caps Black Image 1 of 1 Oxford No 8 Ball Valve Caps Black £3.99 Customise your bike with these cool valve caps.Key Features• Lightweight CNC machined anodised alloy• Internal O ring for perfect seal Add To Cart Added! Customise your bike with these cool valve caps.Key Features• Lightweight CNC machined anodised alloy• Internal O ring for perfect seal