Kyosho FW05-R/FW05RR Drivetrain Shaft FW05-021 by 3Racing  [FW05-021]

Service shaft for the FW05 platform

This shaft is offered as a maintenance replacement for Kyosho FW05-R and FW05RR chassis and carries the model designation FW05-021. It is intended for hobbyists needing a like-for-like component during gearbox servicing or drivetrain rebuilds.

The part restores correct transfer between gearbox components when the original shaft is worn, helping to maintain gear alignment and rotational stability. Fitting the shaft will normally require partial gearbox strip down to access the bearing seats and gear faces for correct positioning.

When replacing this component during a service session, check mating surfaces for scoring, confirm bearing health, and set gear engagement to the recommended clearance before test running. This item supports normal tuning and upkeep of the FW05-R/FW05RR series in scale RC use only.