Over/Under Drive Gear Set for SCX30

Fine tune your SCX30’s handling and climbing performance with a purpose-built Over/Under Drive Gearset. Designed to improve pulling power up front and stability out back, this gearset helps your rig track straighter on climbs, reduce front-end push, and stay composed on technical lines.

Available Options

• 2/13 (+23%) Overdrive – Front
  Increases front axle speed by 23% to enhance climbing traction, improve turn-in on tight sections, and help pull the vehicle through obstacles with more authority.
• 2/18 (−11%) Underdrive – Rear
  Reduces rear axle speed by 11% to complement an overdriven front, improving balance on steep inclines and minimizing rear-end hop on technical terrain.

Features

• Precision cut from hardened steel for durability and long service life
• Optimized for smooth, reliable power transfer
• Includes both gears and required O-rings
• Sold as a single set per axle

Whether you are building a competition-focused crawler or dialing in your trail rig, this Over/Under Drive Gearset gives you a simple, effective way to adjust drivetrain bias and extract more performance from your SCX30.