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PostPosted: Sat Aug 17, 2013 11:13 pm 
retrobike rider
retrobike rider
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Joined: Thu Oct 14, 2010 1:33 pm
Posts: 3972
Location: Brighton
any reason i cant use any brand of fork oil if its the right weight? (e.g. motorcycle fork oil...)


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PostPosted: Sat Aug 17, 2013 11:23 pm 
Retro Guru
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Joined: Sat Jan 22, 2011 11:22 pm
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Location: London
I imagine it depends upon the fork, but I used a heavier oil motorcycle fork oil to increase the damping on my rockshox. No issues yet, and that was years ago...


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PostPosted: Sun Aug 18, 2013 6:55 am 
retrobike rider / Gold Trader
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Joined: Thu Jan 07, 2010 12:23 pm
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Location: Cumbria
I regularly use motorbike fork oil. They come in lots of different weights and are a fraction of the price of mtb specific stuff. Think I'm paying around £4.99 for 500ml.


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PostPosted: Sun Aug 18, 2013 7:17 am 
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Joined: Thu May 03, 2012 7:13 pm
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Location: The Cock Inn, Tillett, Herts
Motorcycle fork oil is fine as it also contains the chemicals that stop the cold oil from foaming as it's pumped through the dampers.


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PostPosted: Sun Aug 18, 2013 7:18 am 
retrobike rider
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Joined: Fri Aug 08, 2008 2:36 pm
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Location: Yorkshire, England
No reason at all, they do the same job. A lot are the same stuff, the stuff I currently use is sold at CRC and a local Motorcycle shop.
Rock Oil SVI Is £6 delivered for 500ml from CRC, which is cheaper than me popping to the local shop once I factor in petrol


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PostPosted: Sun Aug 18, 2013 11:12 pm 
retrobike rider
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Joined: Thu Oct 14, 2010 1:33 pm
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Location: Brighton
thanks chaps :)


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PostPosted: Sun Aug 18, 2013 11:34 pm 
Dirt Disciple

Joined: Mon Feb 15, 2010 11:12 pm
Posts: 40
Location: Quebec
You could use moto oïl, but do not refer to the weight advertise on the bottle. You should refer to viscosity at 40°C. Now, how to know the viscosity of OEM oïl, you could do a research on Google, our ask here.

Tere are some oïl that keep they viscosity at 100°C, but that less usefull on a bike as the suepsnsion il less prone to heat.

here is a good reference:
http://www.peterverdone.com/wiki/index. ... sion_Fluid

Have fun.


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