Always wear a helmet when riding a bicycle -- you never know what accident might befall you. A car could run a stop sign, a pothole could appear seemingly from nowhere, or a charging antelope might run you over.

Oh, that last scenario isn't likely, you say? Tell that to Evan van der Spuy, the pro mountain bike racer who gets taken out by a red hartebeest in this video. Luckily, Van der Spuy was wearing his helmet (which got destroyed in the freak accident but probably saved the racer's life). And luckily for all of us, his teammates caught this insane moment on camera.

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