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Arrma Grom 7075-T6 Aluminum Assembled Rear Differential & Pinion Set w/Steel Gear
Arrma Grom 7075-T6 Aluminum Assembled Rear Differential & Pinion Set w/Steel Gear
Differential Overview:
Maximize your RC’s power and durability with the Fonzon Arrma Grom Differential — engineered with steel and powder metallurgy gears in a 7075-T6 aluminum case for extreme performance out of the box.
About the Full Metal Differential
High-Performance & Durability
The Fonzon Arrma Grom 7075-T6 Aluminum Differential Set delivers unmatched strength and performance for high-demand RC vehicles. CNC-machined nickel-chromium alloy steel and powder metallurgy gears, including drive bevel and planetary gears, provide smooth, reliable power transfer even under extreme torque. The 7075-T6 aluminum alloy metal differential case offers an optimal strength-to-weight ratio with a polished finish, while pre-filled 3K cst differential oil, high-quality sealed adapter cup bearings, and corrosion-resistant titanium-coated screws ensure long-lasting, efficient operation. Fully factory-assembled and ready to install, this differential set boosts drivetrain durability and performance right out of the box.
Features:
- CNC-machined nickel-chromium alloy steel gears for strength
- Powder metallurgy drive bevel, planetary, and ring gears for durability
- 7075-T6 aluminum alloy metal differential case for optimal strength-to-weight ratio
- Pre-filled with 3K cst differential oil for smooth operation
- Fully factory-assembled and ready to install
- High-quality sealed adapter cup bearings ensure efficient performance
- Grade 12.9 corrosion-resistant, titanium-coated screws for long-lasting reliability
- Precision-engineered to handle extreme torque and harsh terrain
Includes:
- (1) Arrma Grom 7075-T6 Aluminum Assembled Rear Differential Set w/Steel Gear
Pairs well with
Easy to use for beginners
Durable build for long-lasting fun
Quick recharge and extended range for all-day play
Perfect for pools, lakes, and calm rivers
Arrma Grom 7075-T6 Aluminum Assembled Rear Differential & Pinion Set w/Steel Gear
Product details
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Use collapsible tabs for more detailed information that will help customers make a purchasing decision.
Ex: Shipping and return policies, size guides, and other common questions.
Engineered for Speed. Built for Control.
Our RC vehicles and parts are crafted with cutting-edge tech and tested for durability. From high-speed drones to rugged RC cars and boats, every product delivers serious fun and unmatched reliability.
Performance You Can Trust
Join thousands of RC enthusiasts who count on ParkFlyers for top-tier quality, responsive customer support, and an unbeatable collection of parts and models.
Got Questions? We've Got Answers
What types of RC vehicles do you sell?
We offer a wide range of RC vehicles including airplanes, drones, helicopters, cars, trucks, boats, and a full selection of parts and upgrades for each.
Are your products ready to run (RTR) or require assembly?
Most of our models are RTR (Ready to Run) or RTF (Ready to Fly), meaning they include everything you need out of the box. Some kits may require minimal assembly—check the product description for details.
Do you offer replacement parts?
Yes! We stock replacement parts for most models we sell. If you’re not sure which part you need, contact our support team and we’ll help you find the right match.
How long does shipping take?
Orders typically ship within 1–2 business days. Delivery time depends on your location, but most customers in the U.S. receive their orders within 3–7 business days.
Do you ship internationally?
At the moment, we primarily ship within the U.S., but international shipping is available on select items. Please contact us for a custom quote.
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