SPECIFICATIONS: year: 2015 make: Triumph price: 14499 Engine: Liquid-cooled, Parallel-twin, 270º firing interval Displacement: 1699 cc Sharing the 1,699 cc engine with the 2015 Thunderbird Storm, the 2015 Thunderbird LT from Triumph packs an impressive amount of power and torque, making it a real contender in the American cruiser market — a market long dominated by Harley-Davidson . Essentially the same bike Triumph offered in 2014, you can get the 2015 model in Jet Black; but if you want the two-tone paint job, you’ll have to pay more than last year. The long-stroke engine with the 270-degree crank — pioneered by Yamaha back in the mid-to-late 1990s in the 849 cc TRX850 — gives balls-to-the-wall performance in the Thunderbird LT. Triumph touts it as the world’s largest parallel-twin engine. Design Combine a low seat height of 27.6 inches with a butt-hugging, deep foam-padded seat with lumbar support, and that sounds like a comfortable ride. ...