[1] When Mars ceased production for the final time in 1958, production of the 50 cc Monza Super Sport model was taken over by Gritzner-Kayser AG under its Gritzner brand.
[4] Designed by Claus Franzenburg, the A 20 and its derivatives had a box-section frame connecting the headstock to the rear wheel and housing the transmission and drive chain, while the engine was mounted in a subframe below.
was started with a hand crank, and had an enclosed primary drive to the transmission.
[5][6] The A 20, with a trailing-link fork, was made from 1920 to 1925;[5] the MA 1000 Sport, with a girder fork and recirculating lubrication system in the engine, was made in 1928.
[4][6] Despite being called the "White Mars", the motorcycles were also available in red and green.