The Tamiya 95582 HG Lightweight Aluminum Ball-Race Rollers are a practical upgrade for Mini 4WD hobbyists who want cleaner rotation and lower rotating mass. These 19mm rollers use a ringless format cut from lightweight aluminum, trimming about 30% of weight versus standard rollers while keeping a sturdy gold anodized finish. Integrated 520 ball bearings allow smooth, low-friction turning that helps on both straight runs and through chicanes.
These rollers fit many Mini 4WD and Mini 4WD PRO chassis types, giving flexible tuning choices. Note that some cars may need minor body or bumper trimming to accommodate the rollers, so check clearances before final installation.
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