Tamiya 15344 JR DR 9mm Ball Bearings | Mini 4WD bearing pair (2 pcs.)  [15344]

Tamiya 15344 JR DR 9mm Ball Bearings - Product summary

This pair of Tamiya 15344 JR DR 9mm Ball Bearings offers a practical upgrade for Mini 4WD cars. They are designed to fit common hubs and reduce internal resistance so wheels can turn with less effort.

Function and chassis compatibility

The 9mm bearings replace higher-friction bushings and help lower rolling resistance. They are sized to suit a wide selection of Mini 4WD chassis, making them a go-to choice when improving drivetrain efficiency.

Impact on lap times

When combined with balanced setup changes, these bearings contribute to more consistent wheel rotation and reduce variability in race runs, which helps when refining lap time performance.