This is a Hot Bodies TCX ceramic ball bearing kit. The TCX already comes with superlite 3.0mm Ceramic balls - top this amazing touring car off with our ceramic bearing kit for unrivaled performance and acceleration. The TCX bearing kit includes the following ceramic bearings:
Eight 5x10 mm bearings
Four 10x15 mm bearings
Two 5x8 mm bearings
Two 4x7 mm bearings