The Chilterns: an area of outstanding natural beauty featuring a 170 mile circular cycle route, so accessible to London you can actually get there on the Tube. So why hadn't we ridden there before? It wasn't until several people at Eroica Britannia asked us if we were taking part in the Chiltern 100 Cycling Festival that we decided to check it out. This year for the first time, the Chiltern Cycling Festival combined with the brutal Chiltern 100 sportive - steel v carbon, heritage vs technology - this was going to be interesting...