Kyosho OT221B OPTIMA Off-road Gear Set  [KY-OT221B]

Robust gearing solution for OPTIMA from Kyosho OT221B

The OT221B gear set is a practical replacement for Kyosho OPTIMA owners who want consistent drivetrain behaviour. It is produced to match OPTIMA gear spacing and offers a straightforward swap when original gears show signs of wear.

Compatibility and expected use

Designed with OPTIMA fitment in mind, the Kyosho OT221B provides tight engagement to limit slop. It is suitable for regular off-road running and general hobby use where dependability is preferred over aggressive tuning.

Simple installation guide

Install the OT221B using standard toolsets and a clean work area. Confirm correct mesh and alignment as you assemble, and carry out quick checks after the first run to ensure everything remains seated correctly.