Designed to handle the demands of high-speed bashing and trail performance, the FONZON Differential for ARRMA 1/10 4×4 models features a fully CNC-machined helical gear system, robust construction, and smooth power delivery—right out of the box.

Precision-built for 1/10 power and durability.
Designed to handle the demands of high-speed bashing and trail performance, the FONZON Differential for ARRMA 1/10 4×4 models features a fully CNC-machined helical gear system, robust construction, and smooth power delivery—right out of the box.

Built for everyday bashing, racing, and reliability, this FONZON differential is the upgrade your 1/10 ARRMA rig deserves.

Feature Focus：

FONZON ARRMA 1/10 4x4 Universal Front & Rear Full Metal Differential Set 34/14T
Gear Ratio: 2.43
This gear ratio offers higher wheel speed performance, ideal for players seeking maximum speed. It is especially suitable for light load conditions, stock tires, and hard surface use.

FONZON ARRMA 1/10 4x4 Universal Front & Rear Full Metal Differential Set 37/13T
Gear Ratio: 2.85
This gear ratio enhances overall torque output, providing stronger power during starts, climbs, or navigating complex terrains. It also reduces motor load, helping to lower operating temperatures and extend system lifespan. Perfect for players prioritizing durability and controllability.

What's in the box?

• (1) F/R Universal Differential Assembly

• (1) F /R Universal Drive Bevel Gear

Fits:

• Granite 4×4

• Senton 4×4

• Big Rock 4×4

• Typhon 4×4

• Vorteks 4×4