A bit of rough: Urban Rider's Kawasaki W650

It's tempting to buy a custom bike on looks alone. And many people do: as every good chef knows, people eat with their eyes. But unless you have a lot of mechanical experience, it's hard to tell how well a bike is built. Or what problems may be lurking under a slick, powder coated surface. We'd have no qualms buying a bike from London's Urban Rider though, because they've just added renowned mechanic Mario Dengra to their roster. Dengra is highly regarded in the English capital: until five months ago, he was chief mechanic at CRC Motorcycles. And this Kawasaki...