Complete Bearings Set KTM 300MXC (2002) Set of 8 Bearings Complete set Ball Bearings for KTM 300MXC ( 2002 ), Set Contains 8 Bearings. 2 Bearings for the front wheel, 2 Bearings for the Rear wheel and 4 Bearings for the Chain roller and rear brake pivot.4 Bearings have 2 metal shields and 4 Bearings have rubber seals to protect the bearings from dust or any possible contamination, the color of cage could be different, also bearings are pre-lubricated with grease.