Tamiya 94713 - 13mm Guide Ball Bearings Track Upgrade Set  [94713]

Fine Tune Your Mini 4WD with Tamiya 94713 - 13mm Guide Ball Bearings

The Tamiya 94713 - 13mm Guide Ball Bearings set is a practical upgrade for Mini 4WD racers who want smoother rolling performance. These guide bearings cut rotational resistance to help the drivetrain spin more freely during runs, while keeping a lightweight profile suited to competitive tuning.

Each bearing measures 13mm in diameter and 3mm in thickness, and the kit includes six bearings plus the necessary screws and nuts for installation. They fit both Mini 4WD and Mini 4WD PRO platforms and are commonly used in rear double roller setups to stabilise cornering and lower lap time variance. Whether upgrading for local club races or workshop builds, these bearings add a tidy performance improvement.