The 3Racing Sakura M4 Pro M5x 21.4 Main Pulley Shaft is made to maintain alignment and resist everyday wear. Its sturdy construction supports reliable power transfer and lowers friction across typical club and hobby running.
Tuned to the Sakura M4 Pro specification, the M5x 21.4 shaft slots into the drivetrain with minimal fuss. It is a straightforward way to tighten up drive response and cut energy loss through the gearbox.
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