5101 Ball Bearings 12x21x5

Upgrade your Traxxas RC with the 12x21x5 Ball Bearings (Part 5101). Compatible with Slash, Rustler, Stampede, and 4-Tec models, these precision bearings reduce friction, improve efficiency, and ensure smooth rotation for wheels, drivetrains, and other moving components. Built for durability and high-speed performance, they help your truck maintain reliable control on every track and trail.