Manufactured in Sulzbach by B. Wimmer & Sohn, 1921-1928 and by Otto Wimmer, 1928-1938.
Built 134cc auxiliary bicycle engines and later 137cc and 172cc motorcycles with watercooled engines, some of which were fitted to Emora frames. From 1928 motorcycles were offered with air-cooled 200, 250, 300 and 500cc engines from Bark and others. The 1936 catalogue listed models 500 ccm OHV G 500, 350 ccm OHV GG 35 B and 200 ccm G 3 Z. Wimmer firm had numerous victories in the 175cc races.
After WWII Wimmer built engines, but not complete motorcycles.
Sources: GTU Oldtimerservice, classicbikehub.uk
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