Mark,Olly and the genius bike mechanic with the green fat bike are top notch guys.they go out of their way to sort out any issues you have with your bike.Olly spent slot of time making sure the raceface cranks I wanted would be compatible for my new Norco fluid 2.hes a very knowledgeable bike enthusiast. All the staff at the clapham Evens work hard to make sure you leave satisfied and on a safe and sound bike.these guys do customer service like your in an American store.the customer is king and you leave happy. Many thanks to the staff at clapham Evans cycle. G.king