This item ships for 
Whether you are fine-tuning for more torque, adjusting for higher top speeds, or performing a routine drivetrain rebuild, this heavy-duty pinion gear is designed to perform. Engineered from high-strength hardened steel, the 3947X provides superior wear resistance and can handle the intense power demands of modern brushless motor systems.
Key Features:
-
Hardened Steel Construction: Built for maximum durability and reduced gear wear compared to standard metal or plastic pinions.
-
Precision Machining: Factory-engineered for a smooth, perfect mesh with 32-pitch spur gears, ensuring efficient power transfer and quieter operation.
-
3mm Bore: Designed specifically for standard 3mm motor shafts, providing a secure fit.
-
Performance Tuning: Changing your pinion tooth count is one of the easiest and most effective ways to dial in your RC's acceleration and top speed characteristics.
Specifications:
-
Part Number: 3947X
-
Tooth Count: 17-Tooth
-
Pitch: 32-Pitch
-
Bore Diameter: 3mm
-
Material: Hardened Steel
- bchandlingtime:
- 1
