 In 1915, a bike, using a Jardine four-speed gearbox, was released, followed by a 1000 cc Multigear.In 1923, the company introduced an in-house manufactured 4-speed gearbox to replace the Jardine, and Multigear production ended.In 1912, the belt driven Multigear was released, using variable groove-depth pulleys to provide 21 forward gear ratios, with top gear as high as 2.75