As seen in these spy shots, the Triumph Bonneville is about to go through a major transformation, moving from its air-cooled past and into the liquid-cooled future.
We don't envy the designers who pen bikes for the likes of Triumph or Harley-Davidson. Machines like the Bonneville and Sportster are inherently popular for their nostalgic looks, and die-hard fans are the first to cry foul when the bikes wander too far from the original recipe. As the Triumph Bonneville Speed Twin Concept elegantly illustrates, that's a crying shame. As the brainchild of English designers Roy Norton and Tom Kasher, the Speed Twin is a modern take on the classic Bonneville. The