The journey to Grand Tour victory starts 2'300 metres up Mount Tiede: a dormant volcano in Tenerife which is overdue an eruption. This is where Team Sky have based their training camps since 2010. Bespoke have been given exclusive access to the riders and staff as they help prepare their riders for the summer ahead. Tom Fordyce speaks to Chris Froome as he tries to regain his Tour de France title from teammate Geraint Thomas, he finds out which condiment is quaffed by the bucket load, plus he makes a visit to arguably the steepest road in the world.