The arrival of Norton's new version of its 961 Commando, coinciding with the emergence of the likes of Royal Enfield's Clubman and a raft of specials based on Triumph's Thruxton, has helped create a whole new cult of the Café Racer. We take the Norton Commando 961 Cafe Racer, Ace 904 Thruxton Special, Hyde Harrier Jubilee and Royal Enfield Clubman on a ton-up trip to the coast to find out what they're all about...