Tamiya 15449 JR 17mm Aluminum Rollers with Plastic Rings - 2 Pieces, Track Upgrade  [15449]

What the Tamiya 15449 rollers offer

The Tamiya 15449 JR 17mm Aluminum Rollers with Plastic Rings provide a solid upgrade route for Mini 4WD racers wanting steadier turns. The aluminium body gives strength while the plastic ring lowers surface friction for smoother cornering response.

Key specs and chassis fit

• Material: Aluminum rollers combined with plastic outer rings
• Design: 3-spoke structure to support even rotation
• Compatibility: Made for Mini 4WD and Mini 4WD PRO cars

Practical track advantages

These rollers help reduce speed loss when negotiating bends, thanks to the plastic outer rings and bearing-supported rotation. That makes them useful for lap consistency on technical junctions and multi-turn sections.

Mounting and setup tips

The Tamiya 15449 set arrives with the necessary screws and nuts so you can fit them quickly. After mounting, run a short test and recheck fasteners to ensure everything remains secure.