This kit includes a machined 6061-T6 aluminium adapter and a heat-treated 56T steel spur gear tailored for AXIAL SCX10 II scale crawlers. The adapter secures the steel spur on the gearbox output so you can dial in gear mesh with repeatable concentricity.
Pairing an aluminium locating adapter with a steel spur gives a balance of reduced weight at the mount and abrasion resistance where the teeth mesh. It is intended as a scale replacement or performance upgrade for hobbyists running SCX10 II gearing layouts.
Fitment tips: trial-assemble the spur and pinion, check engagement along the full travel, tighten the supplied fasteners to spec, and confirm free rotation under load. This guidance does not replace the vehicle manual.
Use this combination when you want a long-lasting 56T steel spur paired with a precisely seated aluminium adapter to keep gear mesh consistent on SCX10 II crawlers.
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