BBB CoreCap Valve Upgrade Cap Set - Purple BX Apparel Hard rubber jaws hold bottom

Hard rubber jaws hold bottom bracket securely and front wheel hook adds stability when working on bike

Wicking elasticated sweatband

Kit Includes

Dura-Ace Di2 ST-R9270 — Shimano Part No

BBB CoreCap Valve Upgrade Cap Set - Purple BX Apparel Hard rubber jaws hold bottomThe Presta valve has been the industry standard in cycling for decades: lightweight, slim, and widely available. At the same time, it is fragile, prone to clogging, and not always practical to use. CoreCap breaks this standard. This is not a small improvement, but a completely redesigned bike valve that delivers a better user experience. CoreCap offers true universal compatibility, is easy to install, maximises airflow, and is available in six