A direct RC-scale replacement for the LOSI PROMO-MX motorcycle platform, this pair of medium carbon steel gears is supplied to correct worn drivetrain components and restore reliable gear engagement.
Fit this set when replacing chipped or worn teeth, or when refining drivetrain response as part of routine servicing. To install, open the gearbox area, remove the existing gears and fit the new pair, checking mesh and clearance against the spur and motor pinion for smooth operation.
The medium carbon steel construction is intended to deliver consistent tooth contact under typical RC loads, making this set a practical spare for riders who service their machines between events or practice sessions.
LOS262007
Select this MX1200S gear set when you need a straight swap for the listed PROMO-MX variants; verify proper mesh and turn the drivetrain by hand before final reassembly to confirm smooth rotation.
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