Originally Posted by
Doge
And I carry spare bar end plugs. This is a slightly concave mirror and he gets a view both sides. We may go to two. Not race tested yet, but in a group ride last Sat his KOM was being challenged and he used it to see who was coming on his left. He said it helped.
Just remember when you see it on the pro-tour where they copied it from...
Just incase you run into another nerd, you meant to write
convex.