BBB CoreCap Valve Upgrade Cap Set - Copper CASSONS At the core is a

At the core is a fast-rolling fish scale center tread

2-bolt cleat system is compatible with all major pedal suppliers

Constructed with our all-new H2Tex three-layer waterproof fabric and a high-quality water and dust proof zipper

making it a great choice throughout the day

BBB CoreCap Valve Upgrade Cap Set - Copper CASSONS At the core is aThe 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