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François Gissy sets new world record on the scariest-looking bike we've seen for a while...

This one falls very soundly into the don't-try-this-at-home category: Frenchman François Gissy has set a new world speed record in the rocket-powered bicycle category, reaching 263 kilometres per hour on a disused runway in Munchhouse in the Alsace. That's 163.4mph in old money.

If you can't quite get your head around how quick that is, then have a quick gander at this video of the record attempt. It's not a discipline we think we'll be getting into any time soon.

The rocket in question is powered by hydrogen peroxide, which is forced over a catalytic converter at high pressure to produce water and oxygen. That generates enough propulsion to reach these insane speeds.

Perhaps the most astonishing thing about all this is that the human-powered bicycle land speed record is even higher than Gissy's top speed under rocket power. The current record is held by Dutch rider Fred Rompelberg and it stands at 268.831 km/h (166.9 mph). Rommelberg was motor-paced behind a modified dragster on the Bonneville salt flats.

Dave is a founding father of road.cc and responsible for kicking the server when it breaks. In a previous life he was a graphic designer but he's also a three-time Mountain Bike Bog Snorkelling world champion, and remains unbeaten through the bog. Dave rides all sorts of bikes but tends to prefer metal ones. He's getting old is why.

7 comments

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Lance Bumstrong [21 posts] 3 years ago
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Commute - in a few seconds !  20

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therevokid [932 posts] 3 years ago
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crikey  13

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Mr Will [91 posts] 3 years ago
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Someone's taking Strava to a whole new level...

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mingmong [257 posts] 3 years ago
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V brakes?

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Cycle_Jim [264 posts] 3 years ago
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Still no manx missile though is he

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The _Kaner [739 posts] 3 years ago
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#cackedpantsforsure
wheeeeeeeeeeee! speed wobble looked a bit scary....

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mrpt5 [62 posts] 2 years ago
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Surely a rocket powered bicycle is a motorbike?