article_snippet.sent: Dave Sim said: 'I've tried to make as few changes as possible so it's got the original tyres. '
article_snippet.sent: The main thing I've changed is the seat post and the pedal arms as it was originally designed for kids. '
article_snippet.sent: And the wheels - on the first part of the race through Northern France, there are a lot of sections of really terrible cobbles, so a guy made me some really strong wheels as I kept breaking spokes. '
article_snippet.sent: I've also had to put slightly better brakes on as well. '
article_snippet.sent: With a bike, it's mostly to do with the engine. '