{"product_id":"triumph-preunit-twins-isbn-9781847973238","title":"Triumph Pre-Unit Twins","description":"\u003cp\u003eTriumph's pre-unit twin-cyclinder motorcycles were produced from 1938 to 1962, with engine sizes of 350cc, 500cc and 650cc.  Ridden both on the road and in competition , the bikes formed the basis for Triumph's success through the 1940s to the 1960s.  With iconic names such as Speed Twin, Tiger 100, Trophy and Bonneville, the pre-unit Triumphs came as sports bikes and tourers.  With their superb styling and reliable engines, there were a favourite both at home and abroad. Triumph Pre-Unit Twins looks at the history and development of these bikes, and describes the various models that make up the range. It gives a detailed technical analysis of each model.  Interviews with past and present owners give riding impressions of the bikes both today and back in the 1960s.\u003c\/p\u003e","brand":"The Crowood Press UK","offers":[{"title":"Default Title","offer_id":44897080541413,"sku":"NP9781847973238","price":39.95,"currency_code":"USD","in_stock":false}],"url":"https:\/\/k12savings.com\/products\/triumph-preunit-twins-isbn-9781847973238","provider":"K12savings","version":"1.0","type":"link"}