Tamiya 15449 JR 17mm Aluminum Rollers with Plastic Rings - 2 Pack for Mini 4WD Tuning  [15449]

Tamiya 15449 roller overview for tighter cornering

The Tamiya 15449 JR 17mm Aluminum Rollers with Plastic Rings are a practical upgrade for Mini 4WD racers who want improved corner stability and better speed retention. Built with a sturdy aluminum body and a low-friction plastic outer ring, these rollers suit club racing and serious hobby use.

Main features and chassis fit

• Material: Aluminum rollers paired with low-friction plastic rings
• Design: 3-spoke construction to promote smooth rotation
• Compatibility: Works with Mini 4WD and Mini 4WD PRO chassis

On-track benefits and handling notes

These rollers cut cornering drag through the plastic outer ring, helping your car keep momentum on technical layouts. Ball bearings support consistent rotation, which helps maintain speed through sequences of bends and reduces bounce during contact with track rails.

Fitting advice and quick setup

The Tamiya 15449 set includes the fixings needed for simple installation on most Mini 4WD chassis. Fit them with the recommended screws and check bearing alignment after your first run to ensure peak performance.