http://www.ebay.co.uk/itm/Motorcycle-Wheel-Right-Angled-Tyre-Valve-Adaptor-/200876272732?hash=item2ec528ac5c:g:i3cAAOSwVFlUCFt7
keep one with you or leave on the wheels, forecourt gauges are...
Type: Posts; User: wheelers
http://www.ebay.co.uk/itm/Motorcycle-Wheel-Right-Angled-Tyre-Valve-Adaptor-/200876272732?hash=item2ec528ac5c:g:i3cAAOSwVFlUCFt7
keep one with you or leave on the wheels, forecourt gauges are...