Most valve exteners are ok but some leak a bit. If you do not have a TPMS I'd recommend against.. And I have one that won't let me air up the tire.
When I had the tires replaced a couple years back (or was it last year) I went to Duly Valves on the rear. Nice Long valve stems bent so they extend out and it's as easy to check or air up as it is on a car.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times