Interview: OPEN’s Gerard Vroomen & Andy Kessler on the EU-Made U.P.PER. CONCE.PT. and the Future of Gravel Bike Design The OPEN U.P.PER CONCE.PT is limited to 125 frames, made in Portugal, and has a brilliant adjustable one piece bar/stem. Is this a glimpse at… Written by Tom Weijand May 13, 2025
