Kyosho-compatible Alloy Gearbox (Large Tooth) KM012A by GPM  [KM012A]

Alloy gearbox upgrade for Kyosho motorcycle models KM012A

The KM012A gearbox housing is an aluminium alloy aftermarket replacement supplied as a one-piece set with the mounting screws included. It uses a large-tooth gear profile to change engagement characteristics and improve drivetrain stiffness compared with standard plastic housings.

Machined alloy construction modifies gear mesh behaviour, giving a different feel to the drivetrain and reducing flex under load. This is aimed at hobbyists tuning Kyosho-scale electric motorcycles where reliability and a firmer gear engagement are priorities.

Fitting requires removing the original gearbox, setting the alloy housing for correct mesh, and securing the unit with the supplied screws. Verify alignment and running clearance by rotating the drivetrain by hand before first run to avoid premature wear.

As an aluminium replacement, the KM012A is suited to builders wanting a stiffer gearbox option; always check physical fit against your Kyosho motorcycle chassis before installation.