The Kyosho OT233B flange shafts are 3x54mm replacements tailored to OPTIMA chassis and supplied as a two piece set. They are practical parts for repair work and light performance tweaks.
These shafts are a good option when servicing the drivetrain or refreshing worn hardware on an OPTIMA. Their correct dimensions support reliable meshing with gears and bearings.
Seat the Kyosho OT233B Flange Shaft carefully into place, then hand-rotate the drivetrain to confirm smooth motion and even seating. If you detect any stiffness or noise, recheck the seating and supporting bearings.
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