The CoreCap is an adaptor for existing Presta valves with removable cores. It promises improved airflow and durability by ...

Mountain bike valve online, Black Presta Valve Caps Plastic Bike Tubeless Tire Caps Air Dust Stem Covers Used on Presta French Valves for Bicycle MTB Mountain Bike Road Bike online ...

BBB CoreCap reinvents the tire valve. More airflow & durability than Presta. Better compatibility than Schrader. And no extra cap needed!

Schwalbe reinvents the valve and it's better than Presta, but is that enough to convince everyone to make the switch?

On the face of it, the stem may seem like a fairly mundane, if essential, bike component, connecting the fork steerer to your handlebars. However, the stem has a significant effect on your bike’s ...