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Looks better without it.

Also note the rear tire lifting (close to) off the ground in the second clip.

 

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Something I haven't seen discussed yet is how to actually brake on a motorcycle:

Staged braking. Which I think everybody should learn and understand the fundamentals of.

Motorcycle Braking: 15 Questions and Answers - webBikeWorld

 

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I dunno, the entire side of his bike sliding down the road might have stopped it sooner.