Freie Rolle

http://vimeo.com/77502064

She Does It Right - Gravity Mafia http://gravity-mafia.com/ http://mwmassociates.co.uk/

http://mashable.com/2013/12/11/martyn-ashton-bike-tricks/?utm_cid=p-fb-ss-all-high-cyclist

Stunt Cyclist's Bike Tricks Are Absurdly Impressive [VIDEO] Meet Martyn Ashton. He's about to blow your mind.

The Siva Cycle Atom - Powering your life one pedal at a time A lightweight generator to charge your phone, lights, and removable battery pack as you bicycle. Pedal power by you, for now or later.