RPM has the answer

Powerhobby 540 45T Brush Motor

but the cop just wants to keep the peace

keeping flex consistent so the rear suspension can do its job predictably

To compensate for that slight taper

Powerhobby Mod 1.5 23T Steel Pinion Gear w/ 8mm Bore HO Couplers RPM has the answerPowerhobby Mod 1. 5 23T Steel Pinion Gear w 8mm Bore Description Fine tune the gearing of your high powered RC vehicle with a Powerhobby Mod 1. 5 Steel Pinion Gear. Designed for motors with an 8mm output shaft, these heavy duty pinions provide the strength and durability needed for large scale RC cars, trucks, speed run vehicles, and other demanding performance applications. The durable steel construction is designed to handle the increased power and