Basically no. Certainly not on the road, though I might wear some added protection mountain biking depending on conditions.
The reality is that armor can't protect you from the likeliest cause of serious injuries, so you have to rely on skill and luck.
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An ounce of diagnosis is worth a pound of cure.
Just because I'm tired of arguing, doesn't mean you're right.
“One accurate measurement is worth a thousand expert opinions” - Adm Grace Murray Hopper - USN
WARNING, I'm from New York. Thin skinned people should maintain safe distance.