difficult to tell if it is the foot of the barrier or the banner/jacket-he definitely takes that top corner with his bars. Basically, too fucking close...
There's another view in slo-mo on twitter that shows his arms jerk BEFORE his wheel gets near the outermost leg of the fence. So either a bump or, now looking at this other angle the black coat or advertising grabbed his arm.
difficult to tell if it is the foot of the barrier or the banner/jacket-he definitely takes that top corner with his bars. Basically, too fucking close...