MRSLOTCAR MR6236R 18mm 36T (36 Teeth) Ergal Lightweight Sidewinder Gear for 3/32" axles. This gear is used for sidewinder setups where the motor shaft is parallel (or nearly so) to the rear axle. "Ergal" is a trade name for 7075 aluminum alloy. Uses M2.5 set screw (included).
MRSLOTCAR part number MR6236R.
** Note ** Package contains one (1) sidewinder spur gear (product photo shows front and back of gear).