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SGS were the initials of the Syd Gleave Special, a motorcycle produced in Macclesfield, Cheshire from 1927 to 1931.
1930 By now there were 196cc and 247cc two-strokes, plus 245cc and 346cc four-strokes. The machines were typical of the era, but attactive to look at. To begin with the frames were made in Macclesfield, but were later produced by Diamond of Wolverhampton.
1931 Production stopped during the year as the Depression years meant that times were hard.