This aftermarket shock shaft is sized at 4x65mm for the listed LOSI PROMOTO-MX motorcycle RTR models and is intended for use where the factory shaft is bent or worn. Made from 4140 medium carbon steel with a zinc-plated surface hardening finish, the part improves wear life and keeps critical dimensions stable during normal running and rebuilds. It is supplied as a single pcs unit for replacement or maintenance tasks.
As the central guide in the damper assembly, a correctly dimensioned shaft reduces unwanted flex and helps maintain consistent damping. Prior to installation, verify shock internal spacing, eyelet fit and full travel to confirm compatibility and prevent interference.
LOS263010
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