OPEN have used the U.P.PER. CONCE.PT to map out the next evolution of their U.P. and U.P.PER frame platforms. Strictly limited in numbers, this concept frameset serves as a testbed for new shapes, carbon layups and compliance concepts. We got our hands on one of the rare test bikes and took a deep dive into … Continue reading OPEN U.P.PER. CONCE.PT 2025 on Review – The Concept Bike Behind OPEN’s New Gravel Generation