This Delrin 46-tooth main gear is supplied as a direct replacement for Kyosho Inferno MP7.5 users seeking a single spare for gearbox servicing or setup swaps. The gear is selected for Delrin's steady wear characteristics and consistent mesh, and is supplied as 1 pcs to match the standard gearbox arrangement.
Installation requires replacing the spur assembly inside the gearbox; set gear mesh and check backlash during refit, and rotate the drivetrain manually to ensure smooth engagement before powering up. This part is commonly used to keep drivetrain behaviour consistent when altering pinion sizes or repositioning the spur.
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