pro taper cr hi +1!!!! It's a comfortable bar on a quad.  Just the right balance, and they won't break your steering stem.  It's like 4 wheeling... my buddy thought he was hot $hit building an indestructible driveshaft for his chevy... til we got to wheeling and he broke his front axle shaft.     I was taught by a wise old wheeler, always have a weak link that's easy to fix, and keep one in your truck.  Same thing works for quads.  Just my