Tamiya 15519 HG Round Hole Ball Bearings Set (4 Pieces) - Mini 4WD Tuning Pack  [15519]

Small upgrade, noticeable difference

Racers looking to refine rolling performance will appreciate the Tamiya 15519 HG Round Hole Ball Bearings. These bearings are engineered to cut friction and deliver crisper axle and gear spin, which helps your Mini 4WD maintain momentum through course sections.

Compatibility and sizing notes

The HG Round Hole Ball Bearings suit all Mini 4WD and Mini 4WD PRO vehicles, except those on a Type 1 chassis. Their accurate dimensions allow straightforward installation into stock mounting points, and the 2.5mm thickness provides the expected clearance for competitive setups aiming to trim mechanical loss.

What you can expect on the track

Once installed, you should notice reduced drag and steadier speed during high-rev stretches. This makes these bearings a practical upgrade for weekend racers and hobbyists wanting smoother lap-to-lap performance without major chassis changes.