Triumph Bonneville America Triumph Bonneville America The Triumph Bonneville America is a British motorcycle designed and built in Hinckley, Leicestershire by Triumph Motorcycles Ltd. Compared with the standard Bonneville, the Bonneville America has a very different ride, with the wheelbase extended to , making it longer overall. The saddle was lowered and the steering head rake angle increased by 4.3 degrees giving a 33.3 degree rake. The America had the Bonneville's front disc but the front wheel was reduced to diameter and the rear wheel to with a larger disc brake. The America also had a larger fuel tank with a 'chromed' plastic
Triumph Bonneville T140 as the top-mounted rear disc caliper and revised grabrail became standard on the T140E. The Bonneville Specials were finished in gold-pinstriped black with a stepped seat and seven-spoke US-made Lester mag-alloy wheels and a tuned two-into-one exhaust for the US market. The T140D had polished fork sliders and a shortened chrome mudguard fixed in place by its central bracing strip. The Bonneville T140ES was the electric start or 'Electro' Bonneville. Launched in 1980 and designed at Meriden by Brian Jones, the electric starter was fitted at the rear of the timing chest where the magneto had been located on the