Robinson Racing 48P Super Hard Steel Pinion Gear 1/8 Shaft (9) Wood Virtual Instructor™ technology helps to

Virtual Instructor™ technology helps to remove the complexity of RC flight by providing control assistance and countering the effects of wind and turbulence

Removable Hexes Allow you to Change Wheel Offsets on the Fly

Traxxas Engine mount (complete assembly)/ 3x28mm CS with washers

Stealth(R) X transmission: At the center of the Knightrunner 4X4 chassis is Associated Electrics' revolutionary Stealth(R) X transmission

Submarine Waterproof: 7 Point Seals

Robinson Racing 48P Super Hard Steel Pinion Gear 1/8 Shaft (9) Wood Virtual Instructor™ technology helps toPREMIUM HEAT TREATED "ABSOLUTE" STEEL PINION Super hard, heat treated, "Absolute" pinion gears are a must for using with our steel spur gears and will last and last if used with plastic spur gears. In sizes 9 through 23 teeth. All pinions stamped with tooth number. 1 8 inch bore. One 5 40 set screw included. 1 16 inch allen wrench (NOT INCLUDED) fits the 5 40 set screw.