Mini 4WD Precision 13mm Ringless Aluminium Ball Rollers - M4WD-30/GO by 3Racing  [M4WD-30/GO]

Precision 13mm ringless aluminium rollers for Mini 4WD tuning

A concise technical summary for experienced Mini 4WD enthusiasts. These 13mm ringless aluminium ball race rollers feature an outer machined shell with a gold finish and a ringless bearing format. They are supplied as upgrade or replacement rollers for 1/32 Mini 4WD machines compatible with Super-II and MA style chassis, where compact rollers help control corner entry and chassis roll.

Ringless construction reduces flange bulk at the outer edge, easing installation in narrow roller stays and lowering the risk of interference on low-body configurations. The machined aluminium housing provides consistent part geometry and the ball bearing layout aims to cut lateral friction relative to molded rollers.

When fitting, verify axle length, spacer stack and that body mounts will not contact the roller at full articulation. For maintenance, a solvent wipe followed by minimal thin lubricant on the bearing area is sufficient; avoid heavy greases that attract contaminants.

Compatibility guidance: these rollers are intended for use on Tamiya Mini 4WD platforms where a 13mm roller is acceptable. Always trial fit in your stays and with any stabiliser hardware prior to final installation.