Learn how to tell Presta from Schrader at a glance, match valve length to your rims, choose the right pump or adaptor, and ...
The CoreCap is an adaptor for existing Presta valves with removable cores. It promises improved airflow and durability by ...
Schwalbe reinvents the valve and it's better than Presta, but is that enough to convince everyone to make the switch?
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