See: Schelle Racing Innovations

Schelle Racing Innovations have introduced a set of ceramic and Onyx ball bearings for the Yokomo YZ2 DTM Maifield Edition. The ceramic metal shield bearings are part of the Black Diamond series. They are precision manufactured to ABEC-3 standards and lubed with premium bearing oil. They feature two metal shield for minimum drag which make them ideal for stock racers looking for some extra speed. The set includes 14 pcs 5x10mm, 2 pcs 5x13mm, 2 pcs 10x15mm ceramic bearings and 4 pcs 5x10mm bearings and 4 pcs 3×7 for the steering system and 5×8 for the ball differential are Onyx series chrome steel bearings.