I ended up buying the Super ATV rack for mine. Instead of buying the traditional crossbar for mounting the spare, I might add a shelf similar to what you did. Looks like it would be way more versatile.
PRCforum is the best Polaris forum community to discuss RZR 1000, Crew 900, PRC Ranger Club, XP 900, RZR XP 4 900, RZR 570, HD, 170, RZR-S, XP 900, RZR XP 4 900, ORV, side by side, SSW and off-road information.