This GPM aftermarket spur gear is a single 57-tooth replacement designed for AXIAL Racing SCX10 II scale rigs, supplied as 1pcs. Constructed from Steel#45, the gear targets improved elastic recovery and wear resistance compared with standard plastic spur gears, maintaining scale drivetrain characteristics while reducing deformation under load.
Installation notes: fit the 57T spur on the original spur mount and check mesh with the motor pinion before first run, verify backlash and ensure the gearbox retains proper lash to prevent premature wear. Use thread locker on the supplied lock nut if required and re-check after initial break-in laps.
Tuning role: swapping to a steel spur like this helps stabilise mesh under heavier loads and when running lower gear ratios for crawling or torque-focused setups, it is intended as an RC-scale drivetrain component to complement motor and gearbox tuning.
The product includes small hardware items provided with the gear: 15X33X1 fibre washers - 2pcs, 5.4X8.2X11.1X1.5 black springs - 2pcs, 4MM stainless steel lock nut - 1pcs.
This steel 57T spur is suitable for scale crawling and drivetrain tuning on compatible SCX10 II setups where a more durable spur gear is preferred, sold as a single piece with small mounting hardware.
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