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🧲 Aluminum Magnetic Screw Tray (Blue) I bought this RC magnetic screw tray because I’m constantly working on my SCX10 […]
RC car brass weights
Dialing in a crawler isn’t just about tires and shocks—RC car brass weights quietly change everything. After testing dozens of sets from AliExpress on real trail runs, rock piles, and awkward side-hill climbs, I learned how a few grams in the right spot can turn a tippy rig into a planted little monster. This tag page gathers hands-on reviews, roundups, and rankings of the most popular brass upgrade parts we’ve actually bought and used. Wheel hex weights, knuckle weights, portal covers, axle housings—some are brilliant, some are… not. You’ll find honest pros and cons, not hype, so you can avoid the duds and pick parts that genuinely improve balance and grip. If you’re chasing better traction, lower center of gravity, and smoother crawling lines, you’re in the right place. Think of this as a shortcut to smarter upgrades, based on real-world testing rather than guesswork.
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Why RC car brass weights change crawling performance
Brass adds mass low and forward—exactly where most crawlers need it. In practice, that means fewer rollovers on side angles, better bite on climbs, and less wheel hop when torque hits. I didn’t expect such a small part to feel so dramatic… but it does, especially on 1/10 trail trucks and micro crawlers alike.
Types of brass upgrade parts: hexes, knuckles, portals, and more
Not all weight is equal. Brass wheel hex weights affect rotational mass, knuckle weights shift balance forward, and portal covers or axle housings drop weight right to the lowest point. Each has a different feel on the trail. Mixing them wrong? The truck can feel sluggish. Mixing them right? Magic.
What our hands-on tests revealed about AliExpress brass parts
We buy these parts from AliExpress, install them, and run them hard. Some sets fit perfectly, others need sanding or shim washers. A few surprised me with excellent machining. A few… went straight to the spare parts box. These reviews call that out clearly so you don’t waste money.
Balancing weight distribution without overloading the drivetrain
More weight isn’t always better. Too much brass stresses motors, servos, and driveshafts. Through practical experience, we’ve learned where adding grams helps and where it starts hurting performance. This is where many beginners make mistakes—I did too.
Choosing the right brass crawler upgrades for your model
SCX24, TRX-4M, Axial, FMS, FCX24—each platform reacts differently. Our guides and best-pick lists group compatible gear by model, so you can quickly see what fits and what actually improves handling for your specific rig.
Find the best picks in our RC car brass weights roundups
This page collects related reviews and rankings to help you compare options faster. Browse the articles below to see which brass parts earned a permanent spot on our trucks—and which ones didn’t.