The 3Racing Sakura Advance 21M Front Spool Outer Joint (SAK-A568A) targets improved drivetrain consistency and repeatable engagement for competitive setups. It integrates with the Sakura Advance 21M layout to refine front-end drive characteristics.
Developed with racing performance in mind, this outer joint helps reduce drivetrain inconsistency and supports fine tuning of handling balance and throttle response.
Appropriate for racers who regularly adjust geometry and drivetrain components, this part is a practical upgrade that complements suspension and diff tuning work.