Answering the need for reliable trophy truck control arms, this guide highlights five top options suited for serious RC enthusiasts. These arms help improve steering precision, suspension geometry, and overall stability on rugged terrains. The best picks are categorized by vehicle type, build quality, and compatibility, making it easier to choose for racing trucks, buggies, or miniature trophy setups. This article targets hobbyists shopping for front and rear control arms that endure crashes, jumps, and high-speed runs while keeping handling predictable.
| Product | Best For |
|---|---|
| RPM Front A-arms Black 2 ASC Pro2 SC10 Trophy Rat | SC10 Trophy/Pro2 racers seeking durable RPM arms |
| Team Associated B6 Flat Front Arms ASC91671 | Associated B6/B6.1 racers needing flat-front geometry |
| AMORIL 2pcs Front Upper Suspension Arm | Mini 1/10 scale trucks requiring replacement upper arms |
| RC Trophy Truck AX80111 Lower Front Control Arms Set | Exo/NIPAX style trophy trucks |
| HPI Racing Left/Right 101075 Steering Arm | 1/8 Trophy truggy/buggy steering arm pairs |
RPM Front A-arms Black 2 ASC Pro2 SC10 Trophy Rat

Best for SC10 Trophy Rat and Pro2 racers requiring rugged, high-durability front A-arms. RPM construction is noted for impact resistance and long-term durability, which helps reduce breakage during jumps and crashes. This product is well-suited for drivers who prioritize consistent geometry and maintenance-friendly parts. A potential limitation is availability of exact compatibility with non-ASC Pro2 setups; verify fit before purchase.
Who it’s best for: Competitive RC rallers using SC10 platform variants that demand robust front arms. Why selected: Combines RPM toughness with proven front-end geometry that maintains steering feel under load. Caution: Check compatibility with non-ASC Pro2 rear hubs if using a non-standard build.
Team Associated B6 Flat Front Arms ASC91671

Flat-front design supports precise steering and predictable handling for the Associated B6 and B6.1 platforms. Best for racers who want a straightforward, proven front-arm solution with minimal setup complexity. Selected for its direct fit and compatibility with standard B6 configurations. Limitation: May require additional spacers or shims for exact alignment on some builds.
Who it’s best for: B6/B6.1 racers seeking reliable, race-ready front arms. Why selected: Known for consistent geometry and ease of installation. Caution: Verify exact axle/carrier compatibility with your chassis year/version.
AMORIL 2pcs Front Upper Suspension Arm

Two-piece front upper suspension arms designed for Mini 1/10 RC trucks, offering a compact solution for upgrades or repairs. Best for hobbyists building or restoring smaller scale trophy trucks with tight suspension envelopes. Selection emphasizes affordability and replacement efficiency. Caution: Check exact match for your mini chassis to avoid misfitment on non-standard upper arms.
Who it’s best for: Mini 1/10 RC truck owners needing durable upper arms. Why selected: Good balance of price and function for smaller trophy setups. Caution: Confirm mounting hole spacing matches your vehicle’s uprights.
RC Trophy Truck AX80111 Lower Front Arm Set

Lower front control arms set compatible with Exo/NIPAX90026 trophy truck configurations. Best for upgrades where lower-front stability is a priority and where replacement parts are readily available. Selected for its cross-compatibility with periphery components on trophy truck builds. Caution: Ensure the set includes the exact fore/aft orientation required for your steering and suspension geometry.
Who it’s best for: Trophy truck builders focusing on lower-front rigidity. Why selected: Designed to support robust chassis geometry under heavy loads. Caution: Cross-check with your buggy or truck’s steering link lengths to avoid binding.
HPI Racing Left/Right 101075 Steering Arm

Metal steering arms designed for 1/8 Trophy truggy and buggy platforms, with left and right components included. Best for drivers needing solid steering linkage components that endure high-speed handling and rugged terrain. Selected for robust metal construction and direct compatibility with typical 1/8 scale trophy setups. Caution: Ensure compatibility with your wheel hub carriers as some setups require different spindle configurations.
Who it’s best for: 1/8 scale trophy truck pilots needing reinforced steering components. Why selected: Metal build provides durability under demanding use. Caution: Confirm hub carrier compatibility before installation.
Buying Guide
What to consider when choosing trophy truck control arms:
- Vehicle compatibility: Confirm the exact chassis model and year to ensure fit for front or lower arms.
- Material and durability: Metal arms offer strength; plastic or composite arms reduce weight but may wear faster.
- Geometry impact: Flat-front versus curved arms affect steering feel and bump handling; choose based on desired response.
- Maintenance: Look for arms with replaceable ball joints or easy-access pivot points to simplify upkeep.
- Installation ease: Some arms require spacers, shims, or carriers; verify included hardware and mounting holes.
FAQ
- Q: Are these arms compatible with all trophy truck models?
A: No. Check the exact chassis and version; some arms are built for specific brands or platforms. - Q: Which material lasts the longest under jump-heavy use?
A: Metal or reinforced composite arms tend to resist wear better than basic plastics. - Q: Can I mix front ARMS from different brands?
A: Mixing can affect geometry and steering; it’s best to match with the same brand and model family when possible. - Q: Do these arms require special tools to install?
A: Basic RC toolsets are usually sufficient; some arms may require thread locker or alignment shims. - Q: How do I know if an arm is too long or short for my setup?
A: Compare axle-to-caster measurements and verify wheel travel limits in your chassis manual. - Q: Should I upgrade both front and rear arms at the same time?
A: Upgrading both can improve overall handling symmetry, but assess your current wear and budget first.