If anyone is interested you can try out a Raleigh eBike next weekend 6th and 7th May at a Sustrans talk about the Bennerley Viaduct followed by a short cycle ride from Raleigh headquarters to the viaduct on one of their bikes. All free apparently.
http://news.raleigh.co.uk/bennerley-viaductride
http://news.raleigh.co.uk/bennerley-viaductride