The Sporting Challenge - Cycling

In order to see this content you need to have both Javascript enabled and Flash installed. Visit BBC Webwise for full instructions

With Jonny pushing ahead on the sporting challenge leaderboard, things were looking pretty desperate for Christoff when we arrived at Herne Hill Velodrome for the cycling challenge.

Could Olympic gold-medal winner Jamie Staff MBE teach the boys enough for them to complete 1km on the velodrome without incident?

Would the lack of brakes on the bikes be an issue? Could Chris claw back a win? Watch this week's video to find out.

Take a look at the photos taken at the velodrome.


or register to comment.

Related Videos

A Shortcut To Chris

Get in touch

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.