Pro bike: Sep Vanmarcke's Bianchi Infinito CV

Paris-Roubaix's biggest challenge for the bikes used there has always been its brutal pavé – more akin to a dirt field full of haphazardly placed granite blocks than anything resembling a road. Manufacturers continually try to infuse as much vertical flex into the riders' machines as possible but for Sep Vanmarcke of the Belkin squad, it's also now a matter of attenuating vibration via Bianchi's novel Countervail technology.