Yamaha Banshee ATV Rear Axle Ball Bearings Set of 2 ball bearings for use in the Yamaha ATV Banshee rear axle, Bearings are made of Chrome Steel and can rotate up to 11,000 rpm with no problem, Bearings have C3 the ultimate clearance for higher speeds, each bearing has 2 metal shields to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease, Bearings are packed in the original manufacturer bag.