Hot Racing - Steel Helical Differential Ring/Pinion Overdrive, 12 Tooth & 33 Tooth, for Traxxas TRX4 Radios & Accessories This 4000KV motor has loads

This 4000KV motor has loads of power

Nitro Line is the real professionals choice

8mm Steel Ball (10)

- TRX-4 Bronco: 12

Battery wire size: 14 AWG

Hot Racing - Steel Helical Differential Ring/Pinion Overdrive, 12 Tooth & 33 Tooth, for Traxxas TRX4 Radios & Accessories This 4000KV motor has loadsHot Racing steel helical spiral overdrive 33T 12T gear set for 1 10 Traxxas TRX 4, comes with a 33 tooth spiral cut ring gear and 12 tooth spiral cut pinion gear. Replaces Traxxas 8287 Features: Precision machined helical spiral cut gears offer inherently greater strength and smooth operation than the factory Straight cut bevel gears High carbon steel construction Less vibration, less noise, less wear then stock straight cut bevel gears 33T 12T