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ARRMA on Amazon

Browse the full ARRMA lineup — Kraton, Typhon, Granite, Senton, Mojave.

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Setup guideSource: Max Mört

CVD/CVA vs Universal Joints - Choosing Driveshafts in Off-road RC Racing

Max Mört explains how their friction characteristics can help you decide if you should run constant-velocity driveshafts (CVDs) or universal joints in your car. He uses a 1/8 off-roader for his demos, but the physics apply to all types of RC race cars.

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Father's Day Sale at AMain

Deals on kits, parts, batteries & gear — ends Father's Day.

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