1、Perfect Fitment: Rear wheel ball bearings are replacement for Polaris Sportsman 400 2001‑2005, perfect matching your ATV. 2、High Quality Material: Ball bearing is made of high quality steel and rubber material, rustproof, wear resistant, not easy to deform, sturdy and durable. 3、Excellent Performance: Professional manufacturing, exquisite workmanship, good sealing performance, prevent dust, silt and water from entering bearings. 4、Strict Standards: Built to greatly quality control standards, wheel hub ball bearing has stable performance and high reliability. 5、Easy Installation: Easy to install, direct replacement for the old one, no complicated operation is required, convenient for using. Item Type: Rear Wheel Ball Bearings Material: Steel and rubber Fitment: Replacement for Polaris Sportsman 400 2001‑2005 2 x Rear Wheel Ball Bearings