Parts/Drivetrain/Pinion gears/Arrma Mod 0.5 Pinion Gear (3.2mm Bore) (18T)
Arrma Mod 0.5 Pinion Gear (3.2mm Bore) (18T)
Arrma

Arrma Mod 0.5 Pinion Gear (3.2mm Bore) (18T)

Part # ARA-2031
Where to buy
$5.99
AMain Hobbies
Seen Oct 12, 2026
$5.99Buy
Prices are as last seen at the store; stock is not tracked.

About this part

Pinion Gear Overview:

The Arrma® Mod 0.5 Pinion Gear is a robust and reliable option designed to deliver reliable and smooth power transfer for your Arrma 1/14 Typhon Grom 223S or 1/16 Mojave Grom 223S platforms. Crafted from tough steel, this gear offers superior durability and ensures smooth, consistent performance during high-speed runs and demanding off-road adventures. Available in multiple tooth counts, it provides an easy way to fine-tune your gear ratio for optimized performance.

About the Mod 0.5 Pinion Gear


Precision & Strength

The gear's 3.2mm bore ensures a secure and precise fit on compatible motor shafts, while the included 3x4mm set screw firmly locks the pinion in place. Engineered for strength and smooth power delivery, this pinion gear is ideal for those looking to maintain or upgrade their vehicle's drivetrain.

Features:

  • Tough steel construction for long-lasting durability
  • 3.2mm bore for precise fit
  • Smooth power transfer for reliable performance
  • Easy installation for quick setup
  • Includes 3x4mm set screw for secure mounting

Includes:

  • (1) Mod 0.5 Pinion Gear
  • (1) 3x4mm Set Screw
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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