JOYSOG Metal Aluminum 20T Servo Horn for ARRMA 1/18 Granite GROM, 1/18 Typhon GROM, 1/14 Mini Mojave GROM RC Cars - Blue Upgrade Part

This JOYSOG servo steering arm is a 20-tooth aluminum alloy upgrade horn designed for ARRMA 1/18 Granite GROM, 1/18 Typhon GROM, and 1/14 Mini Mojave GROM RC cars. Weighing only 2.11 ounces and measuring 0.6 inches in each dimension, it offers a lightweight yet durable replacement that helps improve steering response and overall handling.

Which ARRMA GROM models is this servo horn compatible with?

This servo horn is specifically made for the following ARRMA GROM models: the 1/18 Granite GROM, the 1/18 Typhon GROM, and the 1/14 Mini Mojave GROM. It uses a 20-tooth (20T) spline which matches the servo output shaft on these vehicles.

What materials and construction are used?

The horn is constructed from premium aluminum alloy, chosen for its rustproof and wear-resistant properties. The manufacturing process involves fine workmanship and a compact structure aimed at high transmission efficiency. This design helps ensure smooth steering movement while adding a realistic look to your RC car. The blue finish gives a cool, attractive appearance.

Key measurements and details

Common questions about this servo horn

What is the spline size?
This horn has a 20-tooth (20T) spline, common on many standard mini servos.

Is it a direct replacement for the stock horn?
It is designed to fit the listed ARRMA GROM models as a replacement steering arm. Installation may require basic RC tools.

Does it include mounting screws?
The package includes one servo steering arm only. Screws or other mounting hardware are not specified, so you may need to reuse the original hardware or purchase separately.

This lightweight upgrade helps enhance overall performance in handling and durability, making your RC car more responsive on the track or trail.