Custom Triumph Grand Prix 1947 Triumph Grand Prix 1947 SPECIFICATIONS, PRICE & IMAGES Engine: parallel twin 500 c.c. o.h.v.; valve operation by Ignition: magneto. Transmission: chain via four-speed gearbox. Frame: cradle type with single down-tube and twin Forks: telescopic. Bike Features More Bike Specifications:Laverda 1000 1975Honda CBR1000RR-SP2 Red Bull Honda SBK TeamKawasaki VN 800 Vulcan ClassicBMW Scrambler by Officine RossoPuroKawasaki VN 900 Vulcan Classic LTHonda CB 750 Carbon Café Specials by Whitehouse CustomsKawasaki ZR-X 400Megelli Motard 250M