No fault of yours at all. A mix of rider error and what looks like a spill of diesel on the road.
To me it looks like his attention is elsewhere, so he misses that you started to decelerate. When he looks back to where he's going he sees he is suddenly much closer to you, and grabs a handful of brake and locks the front wheel, not helped by there seeming to be something slippery right where he's riding.
|