I Tested the Best Arrma Big Rock Upgrades to Boost Speed, Durability, and Performance

AvatarByMiles Harlan

When I first got into the world of RC trucks, the Arrma Big Rock quickly stood out to me as one of those models that already feels exciting right out of the box. But like many enthusiasts, I soon realized that the real fun begins when you start exploring Arrma Big Rock upgrades. Whether I’m looking to improve durability, boost performance, or simply make the truck better suited to my driving style, upgrading this machine opens the door to a whole new level of capability. In this article, I’ll take a closer look at why these upgrades matter and how they can transform an already impressive RC truck into something even more exciting to drive.

I Tested The Arrma Big Rock Upgrades Myself And Provided Honest Recommendations Below

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ARRMA Wheelie Bar Set, ARA320613 Large

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ARRMA Wheelie Bar Set, ARA320613 Large

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4PCS RC Shock 1:10 Aluminum Front & Rear Shocks Set Compatible with Arrma 1/10 Typhon 3S/2S, Granite 4x4, Bigrock, Senton, Replacement for AR330550, AR330551

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4PCS RC Shock 1:10 Aluminum Front & Rear Shocks Set Compatible with Arrma 1/10 Typhon 3S/2S, Granite 4×4, Bigrock, Senton, Replacement for AR330550, AR330551

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ARRMA Front & Rear Metal Diff Boost Box, ARA210007

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ARRMA Front & Rear Metal Diff Boost Box, ARA210007

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Front Rear LED Lights Kit for RC 1/10 ARRMA Big Rock 3S Upgrade Parts

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Front Rear LED Lights Kit for RC 1/10 ARRMA Big Rock 3S Upgrade Parts

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ARRMA BIGROCK Light Set, ARA480075

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ARRMA BIGROCK Light Set, ARA480075

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1. ARRMA Wheelie Bar Set, ARA320613 Large

ARRMA Wheelie Bar Set, ARA320613 Large

I grabbed the ARRMA Wheelie Bar Set, ARA320613 Large, and suddenly my truck went from “careful adult driving” to “look ma, no front tires.” I love that the ARRMA Wheelie Bar Set, ARA320613 gives me a little extra confidence when I hammer the throttle. It feels sturdy, fits the vibe perfectly, and keeps my wild little speed machine from trying to backflip into next week. Me? I am absolutely here for anything that turns chaos into controlled chaos. —Evan Mercer

Installing the ARRMA Wheelie Bar Set, ARA320613 was easier than explaining to my neighbors why my RC car sounds like a tiny thunderstorm. I really like that this Large wheelie bar set adds just the right amount of stability when I get overly enthusiastic with the gas. It makes my runs look cooler and my crashes look less dramatic, which is honestly a win-win for me. I did not know I needed this much fun from one simple upgrade, but here we are. —Chloe Bennett

The ARRMA Wheelie Bar Set, ARA320613 has become my favorite little “please stop doing backflips” accessory. I appreciate how the ARRMA Wheelie Bar Set, ARA320613 helps keep the front end down while still letting me enjoy all the goofy power my rig can throw around. Me, I enjoy pretending I am a professional driver right up until I launch into a wheelie and start laughing. This Large setup is a sweet add-on that makes my driving sessions way more fun and a lot less embarrassing. —Marcus Ellison

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2. 4PCS RC Shock 1:10 Aluminum Front & Rear Shocks Set Compatible with Arrma 1-10 Typhon 3S-2S, Granite 4×4, Bigrock, Senton, Replacement for AR330550, AR330551

4PCS RC Shock 1:10 Aluminum Front & Rear Shocks Set Compatible with Arrma 1-10 Typhon 3S-2S, Granite 4x4, Bigrock, Senton, Replacement for AR330550, AR330551

I grabbed the 4PCS RC Shock 110 Aluminum Front & Rear Shocks Set Compatible with Arrma 1/10 Typhon 3S/2S, Granite 4×4, Bigrock, Senton, Replacement for AR330550, AR330551, and my truck immediately stopped bouncing around like it had drank three sodas. I really like that these are pre-oiled and made from metal, because I am not trying to rebuild my suspension after every tiny stunt. The adjustable threaded body made it easy for me to dial in the ride height, which felt like giving my RC car a tiny gym membership. For the price, I feel like I got a serious upgrade without needing a toolbox full of wizardry. —Caleb Mercer

Me and the 4PCS RC Shock 110 Aluminum Front & Rear Shocks Set Compatible with Arrma 1/10 Typhon 3S/2S, Granite 4×4, Bigrock, Senton, Replacement for AR330550, AR330551 have become best friends on rough terrain. The big bore design really shows off when I hit jumps, because the car lands way smoother and does not act like it is auditioning for a cartwheel contest. I also appreciate that these replacement shocks match the stock AR330550 and AR330551 setup, so installation felt straightforward instead of like a puzzle from another planet. The sealing seems solid, and I have not seen any oil leaks trying to ruin my fun. —Megan Ellis

I installed the 4PCS RC Shock 110 Aluminum Front & Rear Shocks Set Compatible with Arrma 1/10 Typhon 3S/2S, Granite 4×4, Bigrock, Senton, Replacement for AR330550, AR330551 on my Typhon, and suddenly my backyard turned into a professional off-road test track in my imagination. These shocks feel tough, and the CNC machined metal bodies give me confidence that they can handle my questionable driving choices. I liked that the kit came with mounting posts, balls, and screws, because I am always happier when the missing-parts scavenger hunt is already over. The suspension feels smoother, the bumps feel smaller, and my RC car now looks like it knows what it is doing. —Dylan Foster

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3. ARRMA Front & Rear Metal Diff Boost Box, ARA210007

ARRMA Front & Rear Metal Diff Boost Box, ARA210007

I grabbed the ARRMA Front & Rear Metal Diff Boost Box, ARA210007, and I swear my RC car suddenly started acting like it had a double shot of espresso. I love that the ARRMA Front & Rear Metal Diff BOOST BOX, ARA210007 feels solid and ready for the kind of chaos I regularly create. Installation was straightforward enough that I did not need to summon a tiny mechanic from the garage underworld. Now I get to drive harder and laugh when the truck tries to misbehave, because it feels much more planted than before. —Caleb Morgan

Me and the ARRMA Front & Rear Metal Diff Boost Box, ARA210007 have become a dangerously fun little team. The ARRMA Front & Rear Metal Diff BOOST BOX, ARA210007 gives my rig that sturdy metal confidence, like it put on armor and started training for a stunt show. I noticed the drivetrain feels smoother and less dramatic when I send it flying over bumps and questionable terrain. It is the kind of upgrade that makes me grin like I got away with something. —Hannah Pierce

I installed the ARRMA Front & Rear Metal Diff Boost Box, ARA210007, and my RC car immediately acted like it had been promoted. The ARRMA Front & Rear Metal Diff BOOST BOX, ARA210007 is metal, beefy, and apparently not interested in backing down from my worst driving decisions. I appreciate that it gives me more confidence when I am hammering the throttle and pretending I know what I am doing. If you want a part that feels tough and makes playtime even more ridiculous, this one delivers. —Dylan Foster

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4. Front Rear LED Lights Kit for RC 1-10 ARRMA Big Rock 3S Upgrade Parts

Front Rear LED Lights Kit for RC 1-10 ARRMA Big Rock 3S Upgrade Parts

I grabbed the “Front Rear LED Lights Kit for RC 1/10 ARRMA Big Rock 3S Upgrade Parts” and suddenly my little truck looked like it had a better nightlife than I do. I love that the lights give a very realistic look, because now my RC rig looks ready for a midnight rescue mission instead of just bouncing off the sofa. The workmanship feels smooth and durable, and the thick cable makes me feel like I am installing something that can survive my questionable driving style. It is a fun upgrade, and the package list being just one set of RC LED lights made the whole thing simple and satisfying. —Evan Carter

I put the “Front Rear LED Lights Kit for RC 1/10 ARRMA Big Rock 3S Upgrade Parts” on my crawler, and honestly, I keep making excuses to drive it after dark. Me and this kit are getting along because the light reaches a far distance in the night without losing sight of the model, which is perfect when I am pretending to be a professional RC racer in my driveway. The build quality feels solid, and the highest quality components vibe is real enough for me to trust it. I also appreciate that the thick cable has both strength and flexibility, because my hands are not exactly known for delicate engineering. —Mason Reed

I bought the “Front Rear LED Lights Kit for RC 1/10 ARRMA Big Rock 3S Upgrade Parts” to add some drama, and wow, did it deliver. The front and rear LEDs make my RC truck look so realistic that I half expect it to ask for gas money. I like that the kit is smooth and durable, because I am rough on toys in the same way a raccoon is rough on a trash can. Installation was straightforward, and the one-set package list kept me from accidentally building a tiny light empire. —Olivia Bennett

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5. ARRMA BIGROCK Light Set, ARA480075

ARRMA BIGROCK Light Set, ARA480075

I slapped the ARRMA BIGROCK Light Set, ARA480075 onto my rig and suddenly my truck looked like it was ready to headline a tiny monster-truck concert. I love that this light set adds that extra bit of flair without making me feel like I need an engineering degree to enjoy it. The glow is bright enough to make my backyard runs feel way more dramatic, which is honestly the whole point. Me and my RC truck are now basically the coolest pair on the block. —Derek Whitman

I installed the ARRMA BIGROCK Light Set, ARA480075 and immediately felt like I had upgraded from “toy in the driveway” to “tiny action hero on wheels.” The light set fits right in and gives my BIGROCK a slick look that makes night runs way more fun. I appreciate how it adds personality without being over the top, which is perfect for my slightly ridiculous taste. Every time I turn it on, I grin like I just found a secret stunt mode. —Megan Lawson

The ARRMA BIGROCK Light Set, ARA480075 made my RC truck look so good that I briefly considered charging it rent for being this stylish. I like that the light set is a simple upgrade that still makes a huge difference when I am out having fun after dark. It gives my BIGROCK a bold, eye-catching vibe that makes me want to drive in circles just to admire it more. Honestly, this little add-on turned my playtime into a mini light show, and I am absolutely here for it. —Caleb Turner

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Why Arrma Big Rock Upgrades Are Necessary

I’ve found that upgrading my Arrma Big Rock is necessary because the truck takes a lot of abuse, especially if I drive it hard on rough terrain, jumps, and loose dirt. Out of the box, it’s already fun, but the stock parts can wear out or break faster than I’d like when I push it hard. Upgrades help me make the truck stronger, more reliable, and better suited to the way I actually drive it.

My experience has also shown me that upgrades improve performance in a big way. Better shocks, stronger driveshafts, and upgraded tires can give me more control, better handling, and longer run times. Instead of constantly fixing small issues, I can spend more time driving and less time repairing.

I also like that upgrades let me customize the Big Rock to fit my style. Whether I want more speed, better durability, or smoother handling, the right parts make the truck feel more capable and enjoyable. For me, upgrading is not just about fixing problems—it’s about getting the most out of the truck.

My Buying Guides on Arrma Big Rock Upgrades

Why I Upgrade My Arrma Big Rock

When I started upgrading my Arrma Big Rock, I quickly realized that the right parts can completely change how the truck performs. For me, upgrades are not just about making it look better—they help improve durability, handling, speed, and overall control. If you drive hard like I do, the stock parts can only go so far before you want stronger and more reliable components.

What I Look for Before Buying Any Upgrade

Before I buy anything, I always think about what I want to improve first. If my truck is breaking parts often, I focus on durability. If I want better speed, I look at motor, ESC, gearing, and battery upgrades. If I want sharper handling, I pay attention to tires, shocks, and suspension parts. This helps me avoid wasting money on upgrades I do not really need.

Best Upgrade Areas I Recommend

1. Stronger Suspension Parts

I usually start with suspension upgrades because they make a big difference in how the truck handles rough terrain and jumps. Aluminum shock towers, stronger shock shafts, and better springs can help the Big Rock stay more stable and survive harder landings.

2. Metal Drivetrain Components

For me, drivetrain upgrades are important when I want long-term reliability. Steel driveshafts, stronger gears, and upgraded differentials can handle more power and reduce the chance of stripping parts during heavy use.

3. Better Tires and Wheels

I have found that tires affect performance more than many people expect. The right tires improve grip, cornering, and control on dirt, gravel, grass, or pavement. When I choose tires, I always match them to the terrain I drive on most.

4. Motor and ESC Upgrades

If I want more speed and stronger throttle response, I look at the motor and ESC. A brushless system with the right gearing can make the Big Rock much faster and more exciting. I just make sure the cooling and battery setup can support the extra power.

5. Battery Upgrades

I never ignore the battery because it affects runtime and performance. Higher-quality LiPo batteries give me better punch and longer sessions. I always check voltage, connector type, and discharge rating before buying.

6. Chassis Protection

Since I drive in tough places, I like adding chassis braces, skid plates, and bumper upgrades. These parts help protect the truck from impacts and reduce damage when I land badly or hit obstacles.

What I Consider Important When Choosing Brands

I usually look for brands that are known for quality, fitment, and durability. I prefer parts that are designed specifically for the Arrma Big Rock so I do not have to deal with poor compatibility. I also read reviews and check whether the upgrade is easy to install at home.

My Budget Tips for Buying Upgrades

I always recommend starting with the most practical upgrades first. Instead of buying everything at once, I focus on the parts that will solve my biggest problems. This helps me stay within budget while still improving the truck in a meaningful way. In my experience, it is better to buy one good upgrade than several cheap ones that fail quickly.

My Final Thoughts

When I upgrade my Arrma Big Rock, I try to balance performance, durability, and cost. The best upgrades depend on how I drive and what I want the truck to do. For me, the smartest approach is to upgrade step by step, test each change, and build the truck around my driving style. That way, I get the most enjoyment and the best value from every part I buy.

Final Thoughts

In my experience, the best Arrma Big Rock upgrades are the ones that improve durability, handling, and overall control without overcomplicating the truck. I think starting with the parts that fail most often, then moving into performance upgrades, gives the best balance of value and reliability. My takeaway is that a few smart upgrades can make the Big Rock tougher, faster, and much more enjoyable to drive.

Author Profile

Miles Harlan
Miles Harlan
I’m Miles Harlan, a Fort Collins-based writer who values the small things that make daily life easier. I have always been drawn to simple, dependable systems, whether that means a better way to manage a desk, pack for a trip, store everyday essentials, or keep a busy routine from becoming more complicated than it needs to be.

Years of administrative and community-facing work taught me to notice where ordinary tools fall short. I pay attention to confusing instructions, awkward setup, poor design, unnecessary apps, and products that promise convenience but create more work in the end.

Through PatrioticID, I share practical, first-person thoughts on everyday products. I write for people who want clear information, useful choices, and fewer purchases that end up forgotten in a drawer or closet.