The Grim Donut's conception was equal parts tongue-in-cheek and genuine curiosity, but we never thought it'd actually work. Fine, it doesn't work everywhere, but if you watched the video, you'll know that it certainly seems to work well when pointed down some steep, fast terrain. In timed testing, ex-EWS racer and full-time maniac Yoann Barelli went six-seconds quicker on the Donut over just two-minutes; that's a massive improvement in this world. Oh, and that was also his first time on the bike. And the chain jammed off halfway down
