JUD's Custom Shop Present: NexxRacing's Lightweight, Machined, 12 HOLE, DUAL BEARING PATH, High Performance Spur Gear, First of it's kind for mini 1/28 scale Racing. Now: set your bearings high, low, 3 outside 6 inside 6 outside 3 inside...get the picture? Highly Tunable, high traction and low rotational loading and unloading!