Al -- if someone has the mechanical answer for a manual fill/vent and you want to upgrade to automatic fill/vent let me know. My solution uses an air line pressure transducer not the mechanically-linked potentiometer. And the pump you want is the 12V Viair 95C https://www.amazon.com/VIAIR-95-Viai...dp/B00290VTNG/
2014 Can-Am Spyder RT-S SE6 Freeway Commuter Pod
2016 Royal Enfield Classic 500 Fair-Weather Mountain Bike