Easily pump up the tyres with this very small pump, (not much bigger than a matchbox), that can easily keep the tyres properly inflated. Weighing about 157 grammes, in a very convenient carry bag, that can inflate tyres to 130 psi, with added attachments to inflate basket balls, Just set say 50psi foe the tilting trike, attach it to the tube and press go!  Just $79.99. Pre-order now, stock arriving in March.