This upgrade pair is a direct-fit replacement for Axial SCX10 and Wraith drivetrains, pairing a steel #45 48 pitch 87T spur gear with an aluminium spur adapter for model use. The components are intended to improve wear resistance and make straightforward integration into stock gearboxes and pinion setups on compatible crawler chassis.
In service the steel spur gives a harder contact surface to extend mesh life, while the aluminium adapter lets the replacement sit on the existing shaft or carrier without changing the vehicle layout. Use this set only on models and verify pinion engagement and clearance on your vehicle before operating at speed.
Installation notes: remove the original spur, locate the aluminium adapter on the spur mount, slide the steel spur onto the adapter and check concentricity and mesh with the motor pinion, then tighten the original hardware. After fitting, check backlash and rotate the drivetrain by hand to confirm smooth transmission and wheel hub rotation.
For builders wanting a like-for-like 48 pitch steel spur and metal adapter for SCX10 or Wraith platforms, this set provides a rugged steel gear with an aluminium mount to simplify replacement and tuning tasks.
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