This 55-tooth spur is a single replacement part built for SMT10 and related Axial-compatible chassis. Made from steel #45, the gear offers improved tooth stiffness and longer wear life compared with common plastic options, suited to scale rigs and heavier torque loads.
Use in radio-controlled vehicles only; the gear transmits motor torque through the gearbox and benefits from careful backlash tuning. Set pinion engagement with attention to bearing fit and avoid over-tightening fasteners that may distort the gear or upset mesh alignment.
Item is supplied as one 55T steel spur gear, sold individually. See the compatibility listing below for the exact fitment code taken from the source material.
Fit this steel #45 spur where long-term durability is needed in scale drivetrain assemblies and verify the model code before installation.
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