Really wish that Could give a better…
Really wish that Could give a better review for this product.
They were fitted as standard on my my Brompton Electric P-line. The trouble is that because of the very limited clearance between the motor and the valve head on the front wheel, you have to push the valve aside to get the pump head on. This repeated movement caused a leak at the base of the valve stem virtually impossible to patch.
I've had Bromptons fitted with Schwable AV4 tubes for many years without any problems, so I've reluctantly gone back to them.
Shame, great idea, but needs more work.








