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Hi,
I am trying to service an old Shimano STX freehub on the GF's bike but cannot get it apart.
Is it a non-servicable item?
I have removed it but can't strip it without damaging it.
Can anyone help? advise?
Thanks
shimano freehubs are non-serviceable units. You need a Morning Star Freehub Buddy which allows you to flush aerosol grease through it.
ah, OK. thanks.
STX RC hub in good condition, £7.50 posted. Worth it for the freehub alone 😀 (seven speed)
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Take the freehub off with an allen key. A mate of mine got a shimano freehub apart (and back together again). I think they are held together by a circlip or a fine metal ring that can be prized out.
The other option is to immerse the freehub body in white spirit / diesel / mek or some other oil based cleaner. Agitate the mechanism and leave for 24 hours or so. Then immerse and leave in a thick oil to relube. Yeah, you probably won't get it as good as the grease that should already be in there but it will be a lot smoother and extend its life (if its ready for scrap)
I've just taken my M739 hub apart and removed the free hub. In good working order, let me know if you want it.