Included Bearings: (4) 3x6x2.5mm (6) 5x10x4mm (8) 6x12x4mm (4) 10x15x4mm (2) 12x18x4mm Overview: This package includes the Fast Eddy bearings listed above. In many cases the bearing sizes may change depending on your particular model and manufacture date. PLEASE DOUBLE CHECK your R/C vehicle owners manual to ensure you order the proper bearing sizes. NOTE: PHOTOS ARE FOR IDENTIFICATION ONLY: Photos are for seal, shield, and bearing style identification only and are NOT a photo of the exact bearing being ordered. Please reference the sizes above for product content information.