Is it the rider or is it the bike? And are the top sponsored riders really that quick? Only one way to find out! We pit pro against punter by challenging Trek Factory Racing's Hattie Harden to a race. Our tech ed Tom Marvin's got a trick up his sleeve, though – he's going to be saddling her with a series of increasingly less suitable Trek bikes to even the odds!
Check out this week's MBUK video, then grab a copy of our April issue – on sale 15 March – to read the full story.
This video is brought to you in partnership with Trek Bikes.