By Sheri Rosenbaum Jim Langley recently wrote a pair of articles on new valve technology, sparking comments from many RBR readers. (Part 1 and Part 2). Unbeknownst to Jim, I was concurrently in Chicago putting the Muc-Off Big Bore Hybrid Tubeless Valves and their new Gravel & Road Sealant to the test. Muc-Off Big Bore Hybrid Tubeless … Continue reading Muc-Off’s New Big Bore Tubeless Valves and Road & Gravel Sealant Quick Review