20-08-2021, 10:42 AM
(This post was last modified: 20-08-2021, 10:46 AM by Colin Wilks.)
BMX tyres run at about 80psi, so any cyclist nicking air out of your car tyre will be very disappointed and their tyre will still be pretty flat after scavenging your 30 psi. I doubt the volume of a BMX tyre would reduce the car tyre's pressure by very much before they equalised, although anybody daft enough to spend 8 quid on this gizmo would probably manage to flatten both tyres before pushing their bike home.