Large-scale Off-road
Tuning and setup guides for large-scale off-road RC cars. Learn how to dial in suspension, choose tires, and much more.
Gear Ratio Calculator
Dial in your pinion and spur in seconds — free, with rollout and FDR.
Latest Setups
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Cheatsheet
Off-road RC Setup Cheatsheet
Everything you need to learn off-road RC racing, on one piece of paper. From roll center to camber gain to axle height, learn what your RC car's settings do, how to set up your car for low or high grip, and how to troubleshoot common setup problems.
Download FreeReference Charts
Traxxas at AMain
Browse the Traxxas brand store — kits, parts, batteries, chargers.
Setup Guides & Articles
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Setup guide
Brushless Motor Tuning for RC Racing: The Four Knobs Explained
How to tune RC brushless motors for racing — rotor, mechanical timing, ESC boost and turbo, gearing — and how to keep the motor cool. The physics behind every knob, in plain English.
Maintenance guide
How to Charge RC LiPo Batteries: A Beginner's Guide
Everything a new RC racer needs to know about charging LiPo batteries safely — first-charge walkthrough, balance charging, storage, and the four mistakes that kill packs fast.
Maintenance guide
LiPo Charging for RC Racers: What the Science Actually Says
A grounded guide for racers who've already read three LiPo guides — what the chemistry actually says, and what's just folklore.
