Schrader valves are significantly wider than Presta valves, ... This exposed nature does make the valve core more prone to being bent or damaged, so take extra care when pumping up your tyres.

In the case of Schrader and Presta, that’s a cylindrical gasket inside the valve core; Schrader valves also feature a spring to keep it shut, while the Presta gasket is held in place by air ...

Both Presta and Dunlop valves can be converted by simply swapping the valve core. There is also an adapter for Schrader valves that screws onto the top of the existing valve – this allows you to ...

Schrader valve 3 Articles . ... Clik also fits into a Presta valve core and works on most Presta pumps. Yet, it remains to be seen whether Clik is just another doomed standard, ...

Schrader valves stay open as long as the pump is connected, so the pressure gauge works. ... The valve cores did get bent occasionally but nothing to cause a problem.