Gravaa hit the big time when Pauline Ferrand-Prévot won Paris-Roubaix Femmes with a tire pressure regulator. But skepticism remains.

Out of a sense of necessity he set out to design his own electronically controlled, closed-loop pressure regulator. The metal block is a custom manifold with valve hardware mounted onto it ...

Vapourtec's pioneering eBPR is an innovative, self-contained, electronically adjustable back pressure regulator that does not require any external reference gas pressure. Back pressure regulators ...