World Champion ACER Racing Ceramic Ball Bearing Kit for the Team Durango DEX408. Comes with the following ball bearings:

2 pc 8x14mm Flanged ceramic ball bearings

8 pc 8x16mm ceramic ball bearings

4 pc 10x15mm ceramic ball bearings

4 pc 12x18mm ceramic ball bearings

4 pc 6x10mm ceramic ball bearings

Oiled, not greased, with 100% synthetic SIN oil for super smooth and fast action. Uses lightweight diamond polished silicon nitride ceramic balls. Feel the difference and race faster, longer with these lightweight, fast and extremely durable ceramic bearings.

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