Robotic & Radio Control Toys

Steel Front Rear 42T Main Gear & 13T Pinion Gear for 1/6 4WD XRT 8S 1/5 X-MAXX 6S,Replace 7779 7777 7778 7790 7792 7791 Compatibility with:1/5 XMAXX X-MAXX 6S 8S. Direct Replacement: Replaces stock part numbers 7779 7777 7778 7790 7792 7791. High-Quality Material:Made from 45-gauge hardened steel for extra strength and a more stable ride. Performance Upgrade:... Steel Front Rear 42T Main Gear & 13T Pinion Gear for 1/6 4WD XRT 8S 1/5 X-MAXX 6S,Replace 7779 7777 7778 7790 7792 7791