RPM oversized bearing carriers are the perfect solution for worn bushings and weak 5 x 8mm. Bearings! give your electric the same performance the nitro trucks come stock with. 5 x 11mm. Bearings have higher load ratings than a 5 x 8mm. Bearing and will significantly increase the time between maintenance periods. In addition, our bearing carriers are so strong; we guarantee that they won't ever break! molded in black. When used in conjunction with our #80382 rear bearing carriers, you'll never have to worry about worn-out bushings or blown wheel bearings again! Tech notes: 5x11x4mm. Bearings are not included with these kits (4 bearings are needed for each kit).