The Triumph Speed Twin And Thunderbird Bible: All 5T 498cc & 6T 649cc Models 1938 To 1966
by Harry Woolridge
Category: Transportation

New in paperback! The Triumph Speed Twin & Thunderbird Bible reveals the definitive history of two of Triumph’s most popular motorcycles in the 40s and 50s. From development history to sporting achievements, this book is packed with detailed information – everything an owner or would-be owner of one these classic twins needs!