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Old 05-03-10, 05:55 PM   #1
Unknown Cyclist
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Rohloff Oil Change

Hi,

I've got a Rohloff hub in need of an oil change.

I've got the syringe, tube and a new plug.

Does anyone know what the cleaning fluid is ?

Or what grade oil they use ?



TIA.
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Old 05-03-10, 06:09 PM   #2
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Originally Posted by Unknown Cyclist View Post
Hi,

I've got a Rohloff hub in need of an oil change.

I've got the syringe, tube and a new plug.

Does anyone know what the cleaning fluid is ?

Or what grade oil they use ?



TIA.
This is one place I don't try to economize. I use only Rohloff genuine cleaning oil and lube.
Here's a video guide.
http://www.youtube.com/watch?v=fVhmgqICNhU
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Old 05-03-10, 07:08 PM   #3
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This is one place I don't try to economize. I use only Rohloff genuine cleaning oil and lube.
Here's a video guide.
http://www.youtube.com/watch?v=fVhmgqICNhU


Watched the video.

The oil change kit seems very pricey when all I really need is 12-15cc of probably not very special oil....
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Old 05-03-10, 07:12 PM   #4
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The oil change kit seems very pricey when all I really need is 12-15cc of probably not very special oil....
You spent about a grand on the hub, right? Don't try to save pennies on oil trying to find a cheaper lube. I don't know if it's special or not but if it is and you damage the hub using the wrong stuff.......
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Old 05-03-10, 07:26 PM   #5
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You spent about a grand on the hub, right? Don't try to save pennies on oil trying to find a cheaper lube. I don't know if it's special or not but if it is and you damage the hub using the wrong stuff.......
So no one has established what grade oil it is or tried different oils ?
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Old 05-03-10, 09:59 PM   #6
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The kit is like 20-25 bucks on an 800 dollar hub? just buy the kit.

http://www.thorncycles.co.uk/rohloffhuboil.html

The hub seems to be quite a bit touchy on viscosity depending on where you ride it and how cold it gets.

And,
http://www.ridemonkey.com/forums/arc.../t-114651.html
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Old 05-03-10, 11:11 PM   #7
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If you want to save per oil change get together with other Rohloff owners and buy the 1 liter containers of both oils. That can reduce the cost per change enormously.
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Old 05-04-10, 10:45 AM   #8
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So no one has established what grade oil it is or tried different oils ?
Rohloff isn't going to tell you and I've got to assume no one has that information but them and their supplier.

Go ahead and experiment and let us know what you find. I expect other owners aren't willing to risk their expensive hubs to save a little on oil.

I have a Honda CRV and the rear differential requires a special Honda-supplied "Dual Pump Fluid" oil that's changed every 30,000 miles. The oil costs $8.00 per quart and it takes a bit over a quart so each change is about $10 just in oil. I'm sure I could find a substitute at a lower price but I'm not going to risk an expensive failure to save the $5 difference.
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Old 05-04-10, 12:12 PM   #9
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I'm with HillRider and tatfiend. How many oil changes are you going to perform over the life of the hub? What kind of distance are you traveling in a year?
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Old 05-04-10, 12:19 PM   #10
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The hub seems to be quite a bit touchy on viscosity depending on where you ride it and how cold it gets.
Sounds like it isn't even a mutigrade then.

Probably a 5w or 10w mineral oil ?
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Old 05-04-10, 03:26 PM   #11
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Sounds like it isn't even a mutigrade then.

Probably a 5w or 10w mineral oil ?
Based on the evidence I have seen Rohloiff has changed oil suppliers or formulation. The individual change kit I bought had a very dark oil in it which looked like it had molybdenum disulphide in it while the 1 liter container has a much lighter color oil in it.

From the Rohloff manual I get the impression that some oils may not be compatible with the seals or other internal plastic spacers/parts. Why take a chance? I remember when Ford required different formulation ATF for their automatic transmissions than GM did and using the wrong stuff in either one could result in failures. Not sure if still true but I have seen some synthetic ATFs that claim to be cross compatible for all makes of cars.
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Old 05-04-10, 03:44 PM   #12
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The oil is described as 'all season oil' -15c to 60c Selected Additives Guarantee.

The cleaning fluid is still a mystery atm...
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Old 05-04-10, 03:47 PM   #13
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Originally Posted by tatfiend View Post
The individual change kit I bought had a very dark oil in it which looked like it had molybdenum disulphide in it while the 1 liter container has a much lighter color oil in it.
The molybdenum disulphide will settle out leaving the oil a lighter colour. The bottle says 'shake well before use' and the one from my last oil change has a dark deposit in the bottom.

I guess that is what the Selected Additive is.....

Last edited by Unknown Cyclist; 05-04-10 at 04:00 PM.
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Old 05-04-10, 03:47 PM   #14
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Doh, double post...
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