Know what fits
Fitment verified by real data
We verify parts against specific models and versions so you only see what actually fits.

Fits your model
Smarter upgrades. Better results.
RC Build IQ tells you which parts fit, which parts achieve your goal, and the best parts combination for your budget.
Built for popular platforms
Traxxas
Slash 4x4
ARRMA
Kraton 6S
Losi
22S No Prep
Axial
SCX10 III
Team Associated
B74
And more
100+ models
Paddock feed
Unlocked garage cars with the spec sheet attached. Tap a rig, steal the setup, go wrench.
Know what fits
We verify parts against specific models and versions so you only see what actually fits.

Fits your model
Build for your goal
A crawler motor is not graded like a speed-run motor. Choose the outcome you want and the ranking changes with it.
Spend where it matters
Set a number. The advisor builds packages that stay inside it — including a $0 setup option when buying is the wrong move.
Best value

Your build. Clearly explained.
RC Build IQ analyzes fitment, compatibility, and thousands of real-world data points to create a plan you can trust.

Built for how you drive

Durability and all-around fun

Lap time and precise handling

Control and low-speed grip

Top speed and straight-line stability

Quick launches and consistent times
Real results
Before

After

Estimated improvement based on setup data. These are not guaranteed test results.
Your builds. All in one place.
Save builds, track plans, and keep every installed part in sync.
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Select model and version.
Tell us what you want and what you'll spend.
See the best parts and why they help.
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