The M4WD-03/LB spacer is a slim, colour-coded washer cut to suit M6.4 x 1.7 ball bearings used in many Mini 4WD assemblies. It is supplied as a spare to sit between bearing and adjacent chassis or axle faces, providing controlled axial clearance where required.
Collectors and frequent maintainers will find the light-blue finish useful for fast identification when organising spares. The spacer is intentionally simple in form so its effect is limited to bearing clearance rather than any drivetrain tuning.
Fit note: engineered around the M6.4 x 1.7 bearing dimension. It does not change bearing internal geometry. Keep mating surfaces clean and inspect bearings prior to installation to reduce wear risk.
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