Features Traxxas - TRA5117 - Ball Bearing, 6x12x4mm:TMX3.3, Revo,SLY (2) Steel construction Blue rubber dirt shields
Specifications Traxxas - TRA5117 - Ball Bearing, 6x12x4mm:TMX3.3, Revo,SLY (2) Inside diameter: 6mm Outside diameter: 12mm Width: 4mm