"BBB CoreCap has reinvented the lowly bicycle tire valve with a design that boosts airflow, improves durability, expands pump compatibility, and even possibly sheds a bit of weight. Their new CoreCap design is a mash-up up the two major tire valve options - Presta & Schrader, and yet it manages to avoid the main pitfalls of each. Less chance of clogged valves with up to 3x more airflow from the same skinny valve as before."
"BBB CoreCap is essentially just a small alloy Schrader (AV) head that you thread on top of your existing Presta (SV) stem, eliminating the tiny fiddly Presta valve core. By pulling the core out of the small diameter stem, BBB says their CoreCap increases airflow by up to 300%. And with the larger space inside the Schrader-sized alloy cap, that gave them room to create a spring-loaded, triple-sealed bleed valve that does not need an extra external cap to keep debris out and air inside."
The CoreCap replaces the tiny Presta valve core with a small alloy Schrader head threaded onto an existing Presta stem, increasing internal diameter and airflow by up to 300%. The larger Schrader-sized cap houses a spring-loaded, triple-sealed bleed valve that seals out debris and removes the need for a separate external cap. The design avoids bending valve cores with misaligned pump heads and maintains a compact Presta-cap appearance while remaining fully compatible with pump heads that fit car Schrader valves. The CoreCap is lighter and more refined than previous capless conversions and is patent pending and available now.
Read at Bikerumor
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