I feel a little bit bad

BMW driver sounds like a right twat, as they always are, but I don't get it. Did you suddenly just jam on a front brake then. Why couldn't they stop in time behind you?

I dunno. I did slow, then skidded slightly to stop by the passenger door, but my mate just slammed into me. Fuck knows what he was doing. He's quite embarrassed. And it was fucking hard slam too.

I also feel quite bad that I actually checked my back wheel wasn't buckled before I even looked at my mate tangled in his bike.