Tyre Valve Extension Adapter For Xiaomi M365 1S Essential Pro 2 Electric Scooter This handy extension adapter enables you to then use other pumps such as ones with PSI pressure gauge. Without this adapter your front tyre is resided to only being pumped by hand with a traditional pump and adapter. Please see images 8 and 9 which show the before and after. Warning: It is illegal to ride electric scooters on public roads, pavements, or cycle paths. They are intended only for use on private land with the owner’s permission.