Open Cycle
OPEN Cycle AG, known as OPEN, is a private Swiss bicycle company based in Basel. It was founded in 2012 by Andy Kessler and Gerard Vroomen and makes performance gravel and road bike frames. They started with the O-1.0, touted as the lightest production 29-inch hardtail. The current lineup includes two all-road/gravel frames (OPEN U.P. and OPEN U.P.(P.E.R.)), a pure gravel frame OPEN WI:DE, and a classic road bike frame OPEN MI.ND. The company has also released frames with paint designs made in collaboration with other brands.
This page was last edited on 2 February 2026, at 07:52 (CET).