Now, all those years later, the Speed Twin is back as the latest member of the modern 1200cc Bonneville range that includes the T120 at one end and the Thruxton R at the other. And in the middle is where it sits, almost. You see, the Speed Twin, while sharing its DNA with its siblings, is considerably different, with around 80 bespoke parts, and it has to be said, the best of the lot.
Why? For starters, it’s 10kg lighter, and that kind of weight loss is not to be sniffed at because it has been achieved by careful attention to design detail from front to back, and in the middle. To take the last point first, the crankshaft is an incredible 2.5kg lighter, so it gets on with the…