39T MOD1 Spool Gear (8mm Bore): ARA310951

39T MOD1 Spool Gear (8mm Bore): ARA310951

$19.99
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39T MOD1 Spool Gear (8mm Bore): ARA310951
Only 2 Left!

39T MOD1 Spool Gear (8mm Bore): ARA310951

$19.99
Steel Construction Durable heavy duty steel build
8mm Bore Fits standard 8mm motor shafts
39T Tooth Count Optimized for general all-purpose bashing

In Stock

Part #: ARA310951
SKU: 100022039
MFG: ARRMA
45+ YEARS IN BUSINESSServing since 1978
REPAIR SERVICESRC Cars, Planes, Boats, Drones & More
AUTHORIZED DEALERGenuine products from top brands
FAST SHIPPINGNext day shipping anywhere in the country.
EASY RETURNSIn-stock items returnable within 30 days
Gear Up For PerformanceOptimize your drive system ratio

Tune your high-speed RC vehicle with the Arrma 39T MOD1 Spool Gear (8mm Bore). Engineered for extreme power, this precision steel gear allows you to customize gear ratios on your Arrma Limitless and similar brushless setups. Perfect for drivers seeking reliable power transfer during heavy-duty RC car sessions.

Precision Engineered Power DeliveryMaximum durability under extreme loads

The Arrma 39T MOD1 Spool Gear (8mm Bore) is manufactured from high-strength steel to withstand the immense torque of modern brushless motor systems. Featuring precision-cut teeth for smooth mesh and reduced friction, this gear incorporates double set screw holes to keep your drive setup locked down tightly. The 39-tooth configuration provides a lower gear ratio compared to stock options, offering superior acceleration and heat management, making it the ideal choice for bashing, street driving, and general high-performance RC applications using an 8mm motor shaft.

Technical SpecificationsExact measurements and part details
Compatible Vehicles Arrma Limitless & Custom 1/7 Scale RCs
Part Type Spool Gear / Pinion
Tooth Count 39T
Gear Pitch MOD1
Bore Size 8mm
Material Heavy-Duty Steel
Set Screw Holes Precision Double Set Screw
Key Hardware HighlightsBuilt for extreme RC driving
Durable MaterialHigh-strength steel built for extreme RC power
Smooth OperationPrecision-manufactured tooth profile minimizes wear
Secure MountingFeatures precision double set screw holes
Bore CompatibilityDirect fitment for 8mm motor shafts
Optimized Ratio39T count offers lower gear ratio for bashing
Versatile ApplicationExcellent for general all-purpose RC driving
Frequently Asked QuestionsEverything you need to know
Is the Arrma 39T MOD1 Spool Gear (8mm Bore) compatible with standard 5mm motor shafts?

No, the Arrma 39T MOD1 Spool Gear (8mm Bore) features an 8mm bore specifically engineered for larger 8mm motor shafts.

What type of driving is the Arrma 39T MOD1 Spool Gear (8mm Bore) best suited for?

The 39T setup provides a lower gear ratio, making the Arrma 39T MOD1 Spool Gear (8mm Bore) ideal for general all-purpose driving and bashing rather than pure speed run setups.

Which RC vehicles use the Arrma 39T MOD1 Spool Gear (8mm Bore)?

The Arrma 39T MOD1 Spool Gear (8mm Bore) is primarily designed for tuning gear ratios in the Arrma Limitless and other high-performance 1/7 scale brushless RC vehicles.