[1] Founded by Andy Kessler and Gerard Vroomen in 2012, the company debuted with a single model, the O-1.0.

It was claimed to be the lightest 29-inch production hard tail on the market.

[2] The Company's current line-up includes two all-road / gravel frames, the OPEN U.P.

Open have sold frames with paint designs created in collaboration with various other companies.

This Swiss corporation or company article is a stub.