2017 Triumph Thunderbird LT, 2017 Triumph Thunderbird LT ABS Lava Red / Phantom BlackThunderbird Commander and Thunderbird LTThe Triumph Thunderbird Commander and Thunderbird LT share an underlying chassis and are powered by the same massively torquey 1699cc parallel twin engine, but they’re two very different breeds of muscle cruiser. The Thunderbird Commander has the essential power-cruiser style and broad, dynamic riding stance to utterly dominate any road and ride. Meanwhile the Triumph Thunderbird LT is loaded with the easy-going, laid-back vibe of a premium classic touring cruiser, as well as a host of long-distance accessories.