The worlds most expensive e-bike has arrived. The Trefecta DRT bike has a military grade 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 Clicks Marc Cieslak took one for a test drive.\r
\r
Subscribe HERE \r
Find us online at \r
Twitter: @bbcclick\r
Facebook: