Smarter upgrades. Better results.

Stop guessing.
Build the right setup.

RC Build IQ tells you which parts fit, which parts achieve your goal, and the best parts combination for your budget.

  • Fitment verifiedReal-world data
  • Goal-rankedPerformance first
  • Budget optimizedMore impact per $

Built for popular platforms

  • Traxxas

    Slash 4x4
    Traxxas Slash 4x4 short course truck
  • ARRMA

    Kraton 6S
    ARRMA Kraton 6S speed truck
  • Losi

    22S No Prep
    Losi 22S No Prep drag car
  • Axial

    SCX10 III
    Axial SCX10 III rock crawler
  • Team Associated

    B74
    Team Associated RC10B74 race buggy
  • And more

    100+ models
    Traxxas X-Maxx representing 100 plus supported models

Everything you need to upgrade with confidence

Know what fits

Fitment verified by real data

We verify parts against specific models and versions so you only see what actually fits.

RC motor, ESC, servo, battery, gears, and tire arranged as compatible components

Fits your model

Build for your goal

Upgrades ranked by what matters to you

A crawler motor is not graded like a speed-run motor. Choose the outcome you want and the ranking changes with it.

Choose your goal

Spend where it matters

Get the best combination for your budget

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.

See what to change before you spend

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

  • Compatibility score for every part
  • Prioritized recommendations
  • Expected performance gains
  • Budget breakdown
  • Direct links to buy
Explore a sample build
Build dashboard showing a prioritized parts list, compatibility scores, and a $75 budget summary

Built for how you drive

Builds for every kind of RC enthusiast

RC bash truck kicking dirt at dusk

Bash

Durability and all-around fun

RC race buggy on a prepared dirt track

Race

Lap time and precise handling

RC rock crawler climbing a steep rock face

Crawl

Control and low-speed grip

RC speed-run car on a straight paved surface

Speed Run

Top speed and straight-line stability

RC drag car staged on a no-prep strip

Drag

Quick launches and consistent times

Real results

Small changes. Big difference.

Before

Stock setup

Launch punch62/100
Top speed48/100
Runtime55/100
Durability66/100
Stock RC chassis on a workbench before upgrades

After

RC Build IQ custom build

Launch punch80/100+18
Top speed62/100+14
Runtime71/100+16
Durability74/100+8
Brushless motor, ESC, battery, servo, and gears from a custom build

Estimated improvement based on setup data. These are not guaranteed test results.

Your builds. All in one place.

Your garage, smarter

Save builds, track plans, and keep every installed part in sync.

Go to your garage
My Garage dashboard with saved RC builds, completeness bars, and fitment status

From goal to a custom build in minutes

  1. 1. Add your RC

    Select model and version.

  2. 2. Choose your goal & budget

    Tell us what you want and what you'll spend.

  3. 3. Get your build

    See the best parts and why they help.

Ready to build the right setup?

Join thousands of RC enthusiasts building smarter with RC Build IQ.

Start a build
  • Free to start
  • Save time & money
  • Real compatibility data