Overview
Replace the worn or broken stock plastic front lower arms on your Arrma 1/18 Grom Narrow with the Hot Racing 6061-T6 Aluminum Front Lower Suspension Arm Set B. CNC-machined from anodized aluminum, these direct-replacement front lower arms deliver dramatically improved rigidity, durability, and bashing resistance over the factory plastic ARA330839 arms.
Whether you've snapped your stock arms in a hard landing or you're rebuilding for race-day reliability, this front lower arm set is a high-impact, must-have upgrade for any serious Arrma Grom Narrow build.
Key Features
- CNC-machined aluminum, black anodized finish
- Direct replacement for plastic arms in Arrma ARA330839
- Two front lower aluminum suspension arms included
- Steel pivot balls for smooth, slop-free articulation
- Significantly stronger and more rigid than factory plastic
Performance Benefits
- Eliminates arm flex that affects suspension geometry
- Survives crashes that destroy stock plastic arms
- Cleaner suspension travel and pivot action
- More consistent long-term suspension behavior
Usage Notes
Apply removable thread-locker on screws threading into aluminum components. Inspect pivot balls and bushings during installation; replace any worn parts at the same time for a complete front-suspension refresh.
Technical Specs
- Material: CNC-machined aluminum
- Finish: Anodized black
- Pivot Balls: Steel
- Configuration: Front lower arms (left + right)
- Replaces: Plastic front lower arms in Arrma ARA330839 Suspension Arm Set B
What's Included
- Two (2) front lower aluminum suspension arms
- Steel pivot balls
Fitment
- Arrma 1/18 Grom Narrow
- Arrma 1/18 Grom variants using ARA330839 Suspension Arm Set B
Summary
The Hot Racing 6061-T6 Aluminum Front Lower Suspension Arm Set B is a tough, drop-in upgrade that solves the Grom Narrow's biggest weakness. Bolt them on, drive harder, and break less — exactly what your 1/18 Grom deserves.
