World Champion ACER Racing Ceramic Ball Bearing Kit for the Mugen MGT7

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.

The original ACER Racing Ceramic Nitride Pro Series bearings: legends since 1989.

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