Testing the $25,000 military-grade e-bike

The world's most expensive e-bike has arrived. The Trefecta DRT bike has a military-spec aluminium frame and is as much motorcycle as bicycle.

But with a price tag of $25,000 (£16,000) it is likely to appeal to only the most dedicated e-cyclist.

BBC Click's Marc Cieslak took one for a test drive.

More at BBC.com/Click and @BBCClick.