Hot Racing - Steel Helical Differential Ring/Pinion Overdrive, 12 Tooth & 33 Tooth, for Traxxas TRX4 Radios & Accessories and the D941TW boasts a

and the D941TW boasts a full metal case

and an advanced microprocessor that improves vehicle control

Nitro Line is the real professionals choice

AA Alkaline batteries (4 required)

8mm Steel Ball (10)

Hot Racing - Steel Helical Differential Ring/Pinion Overdrive, 12 Tooth & 33 Tooth, for Traxxas TRX4 Radios & Accessories and the D941TW boasts aHot 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