Polaris RZR Pro R Four Seat Flat Top Cage Polaris RZR Pro R 4-seat flat top cage. This cage is built of quality D.O.M. metal, featuring 1.75 x .120 wall main tubes with 1.75 x .095 supporting tubes. These cages are CNC cut and CNC bent. If you are not familiar with metal tubing or processing,... MSRP: Was: Now: $1,200.00 - $2,550.00 Choose Options