The Prototype Brough Superior SS100 "Alpine Grand Sport", 1925
Registration number HP2122. Frame number 801A. Engine number KTOR 37658. Engineered by Harold Karslake, Brough Superior Works, Nottingham, UK. 1000cc overhead valve 50-degree V-twin engine manufactured by J.A. Prestwich, Tottenham, UK. Together with Georg

PROPERTY FROM AN IMPORTANT PRIVATE COLLECTION

PROVENANCE George Brough, Nottingham, UK; Prince R. Chagla, India; Major S. Balakrishnan, India COMPETITION London to Edinburgh Trial, May 1925 (George Brough); Austrian Alpine Trial, July 1925 (George Brough); London to Exeter Trial, December 1925 (J.P. "Neon" Cast
LITERATURE Ronald H. Clark, Brough Superior: The Rolls-Royce of Motorcycles, Yeovil, 1964, illustrated p. 38; Mick Duckworth, "Superiority Complex," The Classic Motorcycle, December 1998, illustrated pp. 50–52 and p. 54 The present lot is the first SS100 "Alpine Gr

"It is very satisfying to know that you are astride a machine which, if you wish, can leave behind anything on wheels," vowed the 1925 Brough Superior sales brochure—no empty boast. The previous year, engine tuner Bert Le Vack set the British road record