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The name International was first used by Norton for its TT replica sports roadster in 1932. Designed by Joe Craig, Arthur Carroll designed an overhead-camshaft engine for the works racers and although it retained the 79 x 100mm bore and stroke of the Norton CS1 the Model 30 was new. The racing heritage led to quickly detachable wheels and hairpin type valve springs that could be changed rapidly when racing. In 1933 the forks and gearbox were redesigned and in 1935 the Sturmey-Archer gearbox was replaced, as Sturmey-Archer had stopped making gearboxes, so Norton bought the rights to the design and commissioned Burman’s to produce them.
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Wednesday, June 23, 2010
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