Parts/Drivetrain/Differentials & diff parts/Injora Steel Helical Overdrive Differential Gears Set for Traxxas® TRX-4M™ (12T/22T) (Overdrive 9%)
Injora Steel Helical Overdrive Differential Gears Set for Traxxas® TRX-4M™ (12T/22T) (Overdrive 9%)
Injora

Injora Steel Helical Overdrive Differential Gears Set for Traxxas® TRX-4M™ (12T/22T) (Overdrive 9%)

Part # INJ4M-10-22T
Where to buy
$15.99
AMain Hobbies
Seen Oct 12, 2026
$15.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Gears Overview:

Elevate your climbing power with the Injora Traxxas TRX-4M Steel Helical Overdrive Differential Gears! Designed for ultimate durability and smoother operation, these gears enhance your rig’s performance with quieter, more efficient power transfer, making tough climbs feel effortless.

About the Helical Overdrive Differential Gears


Enhanced Durability & Smoothness

The Injora Traxxas TRX-4M Steel Helical Overdrive Differential Gears are the ultimate upgrade for rock crawling performance, combining durability, precision, and smoother operation. Crafted from steel with spiral-cut helical teeth, these gears offer superior strength, reduced drivetrain shock, and quieter, more efficient power transfer compared to stock straight-cut gears.

The overdrive increases front wheel speed for improved climbing traction and sharper steering, making technical ascents and tight maneuvers easier to master. Designed as a direct bolt-on upgrade, they fit perfectly in either the front or rear, making them a must-have for serious crawlers.

Features:

  • Helical spiral-cut gears
  • Increases front wheel speed for better climbs
  • Provides quieter operation compared to stock gears
  • Reduces drivetrain shock for smoother power transfer
  • Offers stronger and more reliable performance
  • Enhances steering for more precise control on technical trails

Includes:

  • (1) Helical Ring Gear (22T)
  • (1) Helical Pinion Gear (12T)
CA Residents Prop 65 Warning WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Details...

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