1954 Triumph Thunderbird ABOVE: An early-1954 Triumph Thunderbird with rigid frame. BELOW: Partway through the 1954 model-year Triumph converted over to a swing-arm rear suspension setup, as seen on ...

Triumph will be competing at next month’s Red Bull Romaniacs event with Jonny Walker joined by Sam Sunderland, aboard the brand’s Tiger 900 Rally Pro bikes.

Triumph's taking on the Red Bull Romaniacs with veteran racers Jonny Walker and Sam Sunderland, both riding fairly stock ...

1971 TRIUMPH BONNEVILLE FRAME OFFERS SOME BENEFITS Harking back to the pre-unit days, this new frame had twin front downtubes (just like the dreaded ‘duplex frame’, 1960-1962, but no such problems ...

The 2012 Triumph Speedmaster is powered by an air-cooled, dual overhead camshaft (DOHC), 865cc parallel twin-engine that gives the bike a total of 60 horsepower and 53 lb-ft or torque at 3300rpm.