Guides
Platform guides, upgrade sequences, and gear breakdowns. No fluff — just what you need to make a good decision and get back on the trail.
What Does 2S Mean? RC Battery Basics for Micro Crawlers
Decode the spec string on every RC battery listing: cell count and voltage, mAh, C rating, connector type, and physical size, so you can evaluate any pack.
SCX24 ESC Settings: What They Do and Which Ones Are Worth Changing
What drag brake, punch, reverse mode, and low voltage cutoff actually do on an SCX24, which ones change how it crawls, and how to tell if yours adjusts.
Crawler Tire Compounds: Soft, Medium, and Hard Explained
What tire compound actually does on a micro crawler, why soft grips better but wears faster, and how to pick without decoding every brand's sidewall codes.
Is the SCX24 Good for Kids? An Honest Answer
The SCX24 works well for kids, with three real caveats: LiPo safety, small parts, and a servo that strips. What to expect by age and what to buy.
Traveling With a Micro Crawler: How to Pack, Fly, and Store It
How to pack an SCX24 or TRX4M for a trip, what the airline rules actually say about your LiPo batteries, and how to store the rig between runs.
Do You Need a Better Radio? Upgrading the Transmitter on Your SCX24 or TRX4M
The stock radio on a micro crawler is basic but usable. Here's when a transmitter upgrade is worth it, what it actually costs, and what to buy.
Crawler Bearings vs Bushings: How to Tell What You Have and Whether to Upgrade
Bushings or bearings in your SCX24 or TRX4M? Here's how to check in five minutes, what a bearing kit actually improves, and when it's a waste of money.
How to Build a Backyard Crawling Course on a Budget
You don't need a trail to get better at crawling. Here's how to build a practice course in your yard or garage with rocks you already have.
Transmitter Setup Basics: Trim, Endpoints, and Dual Rate
The dials on your crawler's transmitter aren't decoration. Here's what trim, endpoints, and dual rate actually do, and how to set them in ten minutes.
Is 3S Worth It on an SCX24 or TRX4M? An Honest Look at the Can of Worms
A reader asked about going 3S for more speed and range. Here's what 3S actually requires on the SCX24 and TRX4M, and why it may not be the fix you think it is.
Best SCX10 III Upgrades (And the Order I'd Do Them In)
The Axial SCX10 III upgrade path, ranked by trail impact: servo, tires, skid plates, and where a brushless conversion actually pays off.
Beadlock Wheels for SCX24 and TRX4M: Are They Worth It?
True beadlock wheels look great on a micro crawler, but do they actually do anything? Here's what changes, what doesn't, and which options are worth it.
Micro Crawler Troubleshooting: The Problems Beginners Hit First (and How to Fix Them)
Your SCX24 or TRX4M won't go straight, keeps cutting out, or won't climb? How to diagnose and fix the most common micro crawler problems.
Crawler Gearing Basics: Understanding Gear Ratios on the SCX24 and TRX4M
Motor getting hot? Truck crawling too fast? Here's what gear ratios actually mean on a micro crawler and how to adjust them.
SCX24 Brushless Upgrade: What to Buy and How to Install It
The SCX24's stock brushed motor is genuinely fine for casual crawling. Here's the honest case for brushless, what to buy, and how to install it correctly.
Crawler Tire Foams: What They Do and How to Swap Them
The foam inside your crawler tires affects grip more than beginners realize. Here's what soft, firm, and dual-stage foam do, and how to swap them.
Driving Your Micro Crawler in Water and Snow: What's Safe and How to Waterproof It
What your SCX24 or TRX4M can actually handle in water and snow out of the box, plus a simple waterproofing routine for when you want to go deeper.
Weight Distribution Basics: Why Your Crawler Tips Over (and How to Fix It)
If your micro crawler keeps tipping on off-camber terrain or spinning tires on climbs, weight placement is usually the problem. Here's how to think about it.
New Crawler Setup Checklist: What to Do Before Your First Run
Before you put your SCX24 or TRX4M on the trail, five minutes of setup prevents the first-day problems most beginners run into.
Throttle Control Basics for Micro Crawlers
Most beginners grip the trigger too hard and wonder why the truck keeps sliding out. Here's how to actually use the throttle on an SCX24 or TRX4M.
TRX4M Beginner Mods: The First Changes Worth Making
The TRX4M is a solid crawler out of the box, but two simple upgrades make a real difference on outdoor terrain. Here's where to start and why.
SCX24 Servo Upgrade: Which One to Get and How to Install It
The stock SCX24 servo is the first thing that will let you down on technical terrain. Here's what to replace it with and how to do the swap.
What Charger Do You Actually Need for a Micro Crawler?
A beginner's guide to picking a LiPo charger for the SCX24 or TRX4M: what features matter, what to skip, and picks at each price point.
Field Repair Basics: How to Fix Common Crawler Breakdowns on the Trail
What to carry, what breaks first, and how to handle the most common SCX24 and TRX4M failures when you're already out on the trail.
Shock and Suspension Tuning for Micro Crawlers: A Beginner's Guide
Your crawler's shocks control how it handles terrain. Here's how to tune suspension on the SCX24 and TRX4M without guessing.
How to Read Terrain and Pick a Crawling Line
Better lines beat better gear. Here's how to look at a trail obstacle and figure out the path before your wheels do.
LiPo Battery Care: Storage Voltage, Spotting Damage, and Keeping Packs Healthy
How to store, maintain, and retire LiPo batteries for micro crawlers. Covers storage voltage, puffed packs, and what damages cells fastest.
SCX24 vs TRX4M: Size, Price, and Which to Buy
SCX24 ($90-100) is smaller and upgrades cheaper. TRX4M ($120-140) has portal axles and crawls better stock. Size, price, and trail performance, from owning both.
TRX4M Motor Upgrade: What to Buy and What Else You'll Need
The stock TRX4M motor holds the truck back on demanding terrain. Here's what to upgrade to, what you actually need alongside it, and what to skip.
Best Budget RC Crawlers Under $100: 3 Picks and What to Skip
Three RC crawlers worth buying under $100: the Axial SCX24, Injora's SCX24 kits, and the 1/10 WLtoys 104311, plus the cheap trucks to skip and why.
SCX24 Brass Upgrade: Is It Worth It?
SCX24 brass upgrade explained: what it actually does, which pieces matter most, and whether it's worth the money for your rig.
Best Micro Crawler for Beginners: It's the SCX24 or the TRX4M
The SCX24 and TRX4M are the only micro crawlers worth buying as a first rig. Pick based on whether you'd rather wrench or drive, not on spec sheets.
Best SCX24 Upgrades Under $50 (In Order of Impact)
The five SCX24 mods that make the most difference for the least money, ranked by how much they actually change how the truck drives.
Best TRX4M Upgrades: 5 Mods That Actually Improve How It Crawls
Best TRX4M upgrades ranked by real trail impact: brass, servo, tires, and battery. Only the mods that actually improve how it crawls.
Cleaning Your Crawler After a Run: A Simple Routine That Actually Works
A post-run cleaning routine that keeps your crawler running right without turning maintenance into a second hobby. Rinse, blow out, dry, done.
The RC Crawler Tool Kit: What You Actually Need on Your Bench
You don't need a fully stocked machine shop to maintain a crawler. Here's the honest short list of tools that actually earn their place on the bench.
Your First 5 Crawler Upgrades (And What Order to Do Them)
The stock SCX24 and TRX4M are great right out of the box. But five simple mods will make either rig noticeably better. Here's what to do first, and why.
Axial SCX10 III Platform Guide
The SCX10 III is where micro crawling ends and serious trail capability begins. Here's what the platform offers and how to build one worth running.
Two SCX24 Mods That Actually Make a Difference (And Won't Break the Bank)
The SCX24 is already capable, but two simple upgrades (wheel weights and bigger tires) transform what it can do outdoors with no technical skill required.
Axial SCX24: Where It Shines and Where It Struggles
Excellent indoors, exposed on real rock. What ships in the box, the bearings-vs-bushings check most buyers miss, and the two upgrades that matter.
Crawler Tires by Terrain: What Actually Works Where
Rock, dirt, carpet, and indoor courses all want different things from a tire. Here's how to match your rubber to your terrain without overthinking it.
Traxxas TRX4M: What You Get Stock, and Who It Suits
Portal axles and real outdoor capability straight from the box. What the TRX4M does better than an SCX24, where it costs you, and who should buy one.