The seven-seated bike
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Riding a seven-seated 200kg bike the length of the UK

25 August 2010 Last updated at 04:32 BST

Cycling the length of the country by bicycle for charity is impressive, but not unique.

But this is a bike ride with a difference. Ed Greig came up with the idea of cycling from John O'Groats to Land's End on a seven-seater, on which his team pedal at different speeds while sitting around in a circle.

The crazy-looking bike weighs nearly three-quarters of a tonne with its riders aboard, making it slow going uphill, but dangerously fast going down.

The riders, raising money for Cancer Research, have reached the south coast of England after 24 days of cycling, but at last the end is in sight.