Feel the need for speed when you're mountain biking? Casey Brown clearly does, and she takes it to astounding extremes in her latest video!

Casey Brown Deathgrip

Casey Brown is a Canadian mountain biker from Revelstoke, British Columbia - a place renowned for it's amazing riding, and producing amazing riders. Part of the Dirt Norco Downhill team, she was the 2012 Canadian National DH Champion, and has regularly placed in the top ten in this years UCI DH World Cup race series.

So, how fast can you go on a bike?

1. Choose an appropriate trail, like this straight, steep line in the Kamloops area of British Columbia. It's called the Deathgrip line. 2. Point your bike down the hill and go as fast as you can. 3. Not fast enough? Remove your brakes!