Quick rule of thumb: for the average rider (say 80kg) riding at an average speed up an average slope (say 12kmh for 10km up a 6% gradient), it costs around 2W in extra energy for every extra kilo of w

Weight 6.73kg (56cm, claimed) Frame FACT 10r carbon fibre Fork FACT 10r carbon fibre Groupset Shimano Ultegra Di2 R8100 with 4iiii Precision 3+ single-sided power meter (52/36t, 11-30t) Wheels Roval A

As a cyclist appraising an unfamiliar bike, what are the first two things you do? You give the brakes a cursory squeeze, then pick it up. Weight really is the only proper performance metric that anyon

Ever heard of the BBC music show The Old Grey Whistle Test ? Ever wondered what the title meant? So the story goes, music execs would play early cuts of records to the grey-suited doormen on New York’

CW ’s cream of the crop – enjoy 10 pages of 2025’s most outstanding bikes and kit

When Keegan Swenson crossed the finish line to win the gruelling Leadville Trail 100 MTB race in a time of five hours and 45 minutes, as soon as the celebrations died down, it was his Santa Cruz Blur