Over inflated the tire - 100psi - and seemed OK
Dropped psi to 60 - the recommended range (50-80)
Went for a ride
roughly 8km from home the tire went flat
very close to a bike shop - they replaced the inner tube and sent me on my way
less than 100m from the shop it went flat again
took it back and they fixed it again
mech was too busy to say what was done
rode home by shortest route
Not sure the setup can be trusted