I was hoping I would find a thread about this. I had the pleasure of seeing the gang, consisting of about 7 or 8 sports bikes and a white quad, fly past me twice last weekend. Once it was the south circular, and once along Devonshire Road, pulling jumps of the speed bumps. It's a noise nuisance and also quite simply dangerous driving. The South Circular troubles me less - there are enough idiot drivers on that, but Devonshire Road is a quiet road with many families living along it. Next time I hear them coming I will whip out my mobile and video them. Perhaps they will think I'm a fan and pull a few wheelies for me if I'm lucky.