1,000 horsepower is reasonably common now, but it would have been absolutely mind-blowing in the 1920s — and this British creation came very close.

I had never seen anything like it. It was shiny, red, and it had ten speeds. I was sure it was the most beautiful bike in the world. I looked ...

Shimano has launched an update to its Tiagra groupset, which sees it gain an extra speed, increasing the available gears ...