Pinion Gear 21T Mod 0.5 CNC 3.2mm Bore: ARA-2030
$5.99
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Pinion Gear 21T Mod 0.5 CNC 3.2mm Bore: ARA-2030
$5.99
Steel Construction
Built for extreme durability
Precision Tooth Profile
Delivers smooth gear mesh
3.2mm Bore Size
Fits standard motor shafts
Power Transfer PrecisionUnmatched mesh performance for your drive system
Upgrade or restore your drive system with the authentic ARRMA Pinion Gear 21T MOD 0.5 CNC 3.2mm Bore. Precision-crafted from high-strength steel, this essential RC Car pinion gear ensures smooth and reliable power transfer from your motor to the drivetrain. Designed specifically for high-performance brushless motor setups, it stands up to extreme bashing and off-road driving conditions.
Engineered For DurabilityHeavy duty steel gearing built for extreme brushless power
The ARRMA Pinion Gear 21T MOD 0.5 CNC 3.2mm Bore is engineered for maximum performance and long-lasting durability in demanding RC applications. Featuring a precision CNC-machined tooth profile, it guarantees seamless gear engagement, reducing power loss and gear wear across all driving speeds. Complete with an accurately threaded set screw hole, this steel pinion gear replacement locks securely onto any standard 3.2mm motor shaft, making it an indispensable component for maintaining peak performance in your 1/14 and 1/16 scale ARRMA brushless vehicles.
Component SpecificationsDetailed technical data and drive specifications
Compatible Vehicles
ARRMA 1/14 Typhon Grom 223S (ARA2306/ARA2306S), 1/16 Mojave Grom 223S (ARA2304/ARA2304S) (car)
Part Type
Pinion Gear
Material
CNC Machined Steel
Tooth Count
21T (hash)
Gear Pitch
MOD 0.5
Placement/Position
Motor Shaft / Transmission
Dimensions
Fits 3.2mm (0.125 in) Shaft (circle)
Key Hardware AttributesDesigned for high stress drivetrain demands
Tooth Count21 Tooth
Gear PitchMOD 0.5
Bore DiameterFits 3.2mm motor shaft
MaterialHeavy-duty CNC steel
Tooth ProfilePrecision machined for smooth operation
MountingPrecision manufactured set screw hole
ApplicationDirect replacement for ARRMA Grom series
Frequently Asked QuestionsEverything you need to know
Which vehicles are compatible with the ARRMA Pinion Gear 21T MOD 0.5 CNC 3.2mm Bore?
This pinion gear is compatible with the ARRMA 1/14 TYPHON GROM 223S DSC 4X4 RTR Brushless Buggy (ARA2306 / ARA2306S) and 1/16 MOJAVE GROM 223S DSC 4X4 RTR Brushless Desert Truck (ARA2304 / ARA2304S).
What motor shaft size does the ARRMA Pinion Gear 21T MOD 0.5 CNC 3.2mm Bore fit?
It is designed to fit standard 3.2mm (1/8 in) motor shafts commonly found on mini and micro RC brushless motors.
Is the ARRMA Pinion Gear 21T MOD 0.5 CNC 3.2mm Bore made of steel?
Yes, it is precision CNC-manufactured from durable steel to withstand high loads and extreme RC conditions.