Dirt bike jumping, snow bike racing, and fixed bike couriering--tougher than they look? Andrew Younghusband shifts gears to learn how to master three tough biking challenges. Will they be just like riding a bike or will he have to backpedal and admit that these activities are tougher than they look?

Dirt bike jumping, snow bike racing, and fixed bike couriering--tougher than they look? Andrew Younghusband shifts gears to learn how to master three tough biking challenges. Will they be just like riding a bike or will he have to backpedal and admit that these activities are tougher than they look?