The service repairs punctures, replaces inner tubes and checks tire pressure within the Congestion Charging Zone.
Pencil type pressure gage (high ), for normal type tire pressure gage (high ), for normal type tire pressures.
Full tire pressure under a new patch is a good way to make it peel off again.
pressure gaugety tire pressure gage is not expensive and a digital version will be easy to read.
Check tire pressure at least once very thirty days.