Mash is a French brand of motorcycles founded in 2014 by Frederick Fourgeaud (SIMA President) and is a trademark of the company SIMA, headquartered in Beaune, France. The bikes are made in China. Mash offers motorcycle and scooter with 50cc, 125cc, 250cc and 400cc. Several models are in the range of Retro.

　　In 2014, Mash presented successfully in Germany the firs Retro bike Five Hundred with 400cc.