The Kyosho OTW125C Universal Swing Shaft is a straightforward upgrade for Optima owners wanting cleaner drivetrain response. With a 3.2mm shaft profile, it helps the drivetrain transfer torque more consistently for steadier on-track behaviour.
This OTW125C shaft installs without the 2mm spacers that some setups use, allowing extra suspension stroke and improved wheel compliance over bumps. The result is better contact with varied surfaces and more predictable cornering.
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