Du-Bro Spinner, 4 Pin, 2-1/4", White (DUB278)
$9.85
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Du-Bro Spinner, 4 Pin, 2-1/4", White (DUB278)
$9.85
In Stock
Arrives
Free shipping on orders $99+.
Pick up today in Cumming, usually ready in 2 hours.
Multi Engine Fit
Includes five shaft adapter sizes
Nylon Lock System
Prevents loosening under vibration
USA Made Quality
Molded from virgin nylon material
Lightweight Design
Weighs only thirty four grams
Precision Diameter
Two and a quarter inches
Easy Installation
Ready right out of package
Scale Prop FinishClean Aesthetics and Safe Performance
Upgrade your aircraft's performance and appearance with the DU-BRO 4 Pin Spinner, 2-1/4" White. This premium RC airplane spinner provides a safe, simple, and secure attachment for your propeller while optimizing aerodynamic airflow. Perfect for electric and glow powered scale models, it ensures reliable high-RPM performance on every flight.
Engineered for SafetyPrecision USA Made Propeller Spinner
The DU-BRO 4 Pin Spinner, 2-1/4" White is engineered to eliminate hassle while maximizing flight safety. Constructed from high-strength 100% virgin nylon, this spinner features DU-BRO's signature nylon insert lock system that securely locks the cone to the back plate, effectively eliminating loosening caused by engine vibration. Every kit includes five different shaft adapters—5mm, 6mm, 1/4", 7mm, and 5/16"—allowing direct compatibility with a wide range of electric motors and glow engines without requiring any reaming or backplate modification. Proudly made in the USA, this RC prop spinner delivers lightweight, balanced, and worry-free operation for sport models, trainers, and scale aircraft.
Technical SpecificationsDetailed Product Fit and Sizing
Compatible Vehicles
Electric and Glow RC Airplanes
Part Type
Spinner & Propeller Accessory
Material
100% Virgin Nylon
Placement/Position
Front Engine Propeller Shaft
Dimensions
2.25 inches / 57.15 mm
Weight
34 g / 1.2 oz
Included Adapters
5mm, 6mm, 1/4", 7mm, 5/16"
Color
White
Country of Origin
USA
Key Product AdvantagesBuilt for Secure Engine Setup
Shaft AdaptersIncludes 5 sizes for universal engine fitment
Nylon Lock DesignSecure insert lock system prevents loosening
Premium MaterialMolded from 100% virgin nylon for extreme strength
No Modification NeededReady to install straight out of the package
Safety FocusedEngineered to withstand high RPM engine operation
Made in USAProudly manufactured in the United States
Frequently Asked QuestionsEverything you need to know
What shaft sizes are compatible with the DU-BRO 4 Pin Spinner, 2-1/4" White?
The DU-BRO 4 Pin Spinner, 2-1/4" White includes five shaft adapters (5mm, 6mm, 1/4", 7mm, and 5/16"), allowing it to fit a wide range of electric and glow engines without reaming or drilling.
Does the DU-BRO 4 Pin Spinner, 2-1/4" White require backplate drilling or modification?
No, the included shaft adapters eliminate the need to drill or modify the backplate, making installation on your RC airplane quick and simple.
How does the locking mechanism on the DU-BRO 4 Pin Spinner, 2-1/4" White prevent vibration?
The DU-BRO 4 Pin Spinner, 2-1/4" White utilizes a unique nylon insert lock system that firmly holds the spinner cone to the backplate, minimizing vibration and preventing loosening during high-RPM flying.
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