Give Your RZR a Smooth Ride Don't ignore your instinct”it's not normal for your RZR PRO XP to vibrate excessively when accelerating. It could be a bad carrier bearing. Upgrade your stock bearing to SuperATV's RZR PRO XP Heavy-Duty Carrier Bearing. It has a two-piece design that gives you a smooth, rattle-free ride and keeps your bearing free of dirt. And it™s less work than your stock bearing”ours are greaseable and self-aligns. It's stronger than stock and a practical upgrade that will keep you on the trails. Pillow Block Assembly Makes Installation Easy Increasing the strength of this RZR carrier bearing is one thing, but simplifying the installation process is another. It has a two-piece pillow block design ensuring a simple and easy install. The bearing fastens around the prop shaft strong enough that it won™t shift. Our design also keeps dirt and mud from getting inside the bearing, maximizing longevity. Secure Locking Collar SuperATV carrier bearings feature a locking collar that clamps evenly around the prop shaft, creating a secure hold that will keep your bearing from shifting. And to make your life easier, there™s our unique two-piece design. You can have it positioned in minutes, making installation and maintenance a breeze. Greasing Made Easy If you're taking your rig out on rough terrain, it's inevitable”you'll have to do some maintenance. And we want you to spend more time on the trail, and less time in the shop, so we've perfected the installation process to make it easier on you. Our bearings have easily accessible grease fittings for quick and easy maintenance. They're self-aligning too, which keeps temperatures down and generates less friction. You can thank our clever design for the low maintenance this carrier barrier requires. 6061 Billet Aluminum We make our housing with 6061 billet aluminum. That makes it as strong and reliable as possible. Whether you like to ride hard or you like to ride a lot, our billet aluminum housing will keep your machine roaring longer.