These Polaris RZR side mirrors are extremely durable - being ALL ALLOY Die-Cast construction, compared to other plastic RZR mirrors. These will hold up to whatever you throw at them. They feature a smack back breakaway feature that will save them from being broken off by a tree or in a roll over situation. The pivot has pre-set detents so that they quickly pop back into your preset position. Adaptive 360° Bracket Rotation will accommodate any angle roll cage pillar & provide optimal viewing position. So you can mount it high or low and adjust to perfect position every time.
The 1 3/4" tube clamp will fit all year Polaris RZR's roll cages EXCEPT the new RZR Pro, which have a 2" roll cage diameter. 
- Full Breakaway Geometry: Designed to break away during impacts to prevent damage.
 - Adaptive 360° Bracket Rotation will accommodate any angle roll cage pillar & provide optimal viewing position. So you can mount it high or low and adjust to perfect position every time.
 - Extremely Durable Die-Cast Housing (All Alloy-not plastic)
 - Convex Mirror Surface: For maximum viewing angle.
 - Shatter Resistant Safety Glass: For maximum safety.
 - Pivot Locks into three positions and quickly pops back into place.
 - Sold as a pair.
 

Fits:
Polaris RZR XP 1000
Polaris RZR Turbo S
Polaris RZR XP Turbo
Polaris RZR XP 900
Polaris RZR 800
Polaris RZR S 1000 
Polaris RZR 900
Polaris RZR S 900
Polaris RS1
*Does Not Fit:
Polaris RZR PRO R
Polaris RZR PRO XP
Polaris RZR PRO S