The 3RACING Cero Outer Shaft Hub 3mm (SAK-C142) is a direct-fit spare designed to restore correct shaft seating and reduce drivetrain play. It is a compact component to keep in your parts box for servicing or repairs.
Manufactured by 3RACING to Cero kit dimensions, this outer shaft hub uses the 3mm shaft standard to ensure predictable compatibility with standard Cero assemblies.
Installation is best performed on a clean workspace with basic hand tools. Confirm the shaft and hub mate without binding to secure smooth power delivery during running.
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