OK-Supreme

They experimented with powered bicycles in 1899 and 1906, before manufacturing a two-stroke motorcycle using a Precision engine in 1911.

Before the First World War they had produced motorcycles with Precision, De Dion, Minerva, and Green engines.

In the 1922 TT OK-Supreme machines placed sixth and seventh, with the fastest lap being set by Wal Handley at 51 mph (82 km/h), but he failed to finish the race.

[3] Frank Longman was the only TT winner, in the 1928 Lightweight class with a JAP model.

A road version was made available the following year but the Great Depression killed it and the last Lighthouse was completed in early 1933.