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16 Dec 2020
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Crono fork seals 12 years 5 months ago #625

  • Valdeziscoming
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Does any one know where I can get a set of Oil seals my Crono forks? I've already been to Bob and he can't get the original size which is 40-52-7.5/10
He has 40-52-10 for a GFR but they won't fit in a Crono if the support washer is fitted below the seal as it should be.
I've contacted Marzocchi UK but they say this seal is not available any more.
So far I haven't been able to find a pattern seal of this size on the internet. I have found 40-52-7.5 but I would like to fit the original 7.5/10 if possible.

Leigh

Re: Crono fork seals 12 years 5 months ago #626

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Hi Valdez,
Go online to the Allballs website, they do an extensive range of fork seals and may have the size you need.
Good luck
John

Re: Crono fork seals 12 years 5 months ago #629

  • Joachim
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Valdeziscoming wrote:

He has 40-52-10 for a GFR but they won't fit in a Crono if the support washer is fitted below the seal as it should be.


Is the washer somehow good for something?
Sound like the Nordie fork problem.
Older forks had a lower seal ring and the washer.
Newer ones have the higher seal ring without the washer.
Maybe you can solve your problem this way ;)

ciao Joachim

Re: Crono fork seals 12 years 5 months ago #638

  • Valdeziscoming
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Hi John,

Thanks for the info. Went on allballs site but it doesn't allow a search by seal size and unfortuneately the Crono is not one of the models they list as suppling seals for.

Thanks again,
Valdez

Re: Crono fork seals 12 years 5 months ago #639

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Hi Joachim,

OK, I see your point. If I can't find the originals I'll leave the washer out and fit the 10mm. Unlike the Nordwest as far as I know there has not been a problem with Crono forks leaking, the one I have has done 26000km and the left leg has just started leaking. The original Marzochhi 42-52-7.5/10 looks a good bit of kit, it has two springs and three sealing lips as opposed to one the one spring two lips on the seals Bob gave me for a GFR.

Thanks,
Valdez

Re: Crono fork seals 12 years 5 months ago #648

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Hi Valdez,
If you go to www.allballsracing.com or www.GOallballs.com you will get into the Allballs US web page and be able to find from the seal size you give a part number.
With the part number and size I ordered my Nordie fork seals from Off Road Only on www.oro2u.com
Hope that helps
John
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