Traxxas Pinion Gear 21T 48P (2421)
$3.00
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In Stock
Traxxas Pinion Gear 21T 48P (2421)
$3.00
In Stock
Arrives
Free shipping on orders $99+ (oversize items excluded).
Pick up today in Cumming, usually ready in 2 hours.
21-Tooth Count
Fine Tune Your Gear Ratio
3mm Bore Size
Fits Standard Motor Shafts
48-Pitch Profile
Includes Secure Set Screw
Gear Up PerformanceOptimize Acceleration And Top Speed
The Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore allows drivers to fine-tune the performance and drive ratio of their RC Car. Changing your vehicle's pinion gearing helps achieve the ideal balance between low-end acceleration and top speed for different track surfaces and running conditions. Designed for precision fitment, this pinion gear works seamlessly with compatible brushless motor and brushed power systems.
Precision Drive TuningEngineered For Traxxas Electric Models
Take full control over your electric RC Car setup with the authentic Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore. Whether you are upgrading a brushless motor setup or replacing a worn component, adjusting your gearing is one of the quickest ways to optimize performance. Crafted to exact tolerances, this 48-pitch gear fits snugly onto standard 3 mm motor shafts and stays locked in place using the included set screw. Adapt your vehicle to tighter technical tracks or open high-speed runs across popular platforms like the Traxxas Slash 2WD, Stampede 2WD, Bandit, and 4-Tec series.
Technical SpecificationsDimensions And Compatibility Details
Compatible Vehicles
Bandit XL-5 (24254-8), BIGFOOT No. 1 BL-2s (36334-4), Slash 2WD BL-2s (58334-4), Slash 2WD BL-2s Kit (58314-4), Stampede 2WD BL-2s (36354-4), Stampede 2WD XL-5 (36254-8), 4-Tec 2.0 BL-2s (83124-4), 4-Tec 2.0 VXL (83076-4), 4-Tec Drift Mustang (105237-4), 4-Tec Drift Nissan 240SX (105247-4) (car)
Part Type
Pinion Gear
Gear Pitch
48-Pitch
Tooth Count
21T (hash)
Bore Diameter
3 mm
Hardware
Included Set Screw
Key CapabilitiesBuilt For Reliable Power Transfer
Tooth Count21-tooth layout for precise ratio adjustments
Gear PitchStandard 48-pitch gear pitch specification
Bore SizeDesigned for standard 3 mm motor shafts
Set Screw IncludedComes complete with required mounting hardware
Model FitmentFits select Traxxas 2WD and 4-Tec electric chassis
Performance OptimizationAdjusts balance between acceleration and top speed
Frequently Asked QuestionsEverything you need to know
What motor shaft size does the Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore fit?
The Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore is engineered specifically to fit standard 3 mm motor armature shafts found on many 1/10 scale RC electric motors.
Does the Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore come with mounting hardware?
Yes, the Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore includes the necessary set screw required to secure the gear tightly to the motor shaft.
Which Traxxas vehicles are compatible with the Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore?
The Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore is compatible with several 2WD models like the Slash 2WD BL-2s, Stampede 2WD, Bandit XL-5, BIGFOOT No. 1, as well as 4-Tec 2.0 and Drift models.
How does changing to the Traxxas 21-Tooth Pinion Gear (48-Pitch) 3 mm Bore affect performance?
Installing a larger pinion gear increases your RC model's top-end speed while slightly reducing initial acceleration. Be sure to check motor temperatures regularly when altering gear ratios.
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