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Grose-Spur were motorcycles produced during 1916 for a dealer named James Grose of London.
Despite the Great War, the public could still purchase motorcycles for private use in 1916. These machines were very simple in construction, thus minimizing the use of materials and machine cost.
This dealer bought in motorcycles from one of several manufacturers, they were fitted with a 123cc Villiers or 318cc two-stroke Dalm engine and belt final-drive. He then applied his own label. The bikes were built by Carlton