We are coming to London in late June before we head to France for my husband to pick up a cycle tour following the Tour de France. We have found the Barclays bike hire site so we know he can hire a public bike - but my question is - are there bike friendly routes that he could ride, rather than competing with London traffic? Ideally he would like to ride about 30-50kms - but in which direction should he head? We are staying just off Marylebone High Street. Any suggestions?