![]() To learn more about how and for what purposes Amazon uses personal information (such as Amazon Store order history), please visit our Privacy Notice. It’s used in the Reverb post itself, but also separately in the Reverb hydraulic remote circuit. Is reverb fluid a mineral oil That said, Reverb fluid is fundamentally mineral oil rather than DOT brake fluid. You can change your choices at any time by visiting Cookie Preferences, as described in the Cookie Notice. SDS information posted here may be changed without advance notice. What viscosity is Shimano mineral oil As far as I know, brake mineral oil is 10wt. Click ‘Customise Cookies’ to decline these cookies, make more detailed choices, or learn more. Third parties use cookies for their purposes of displaying and measuring personalised ads, generating audience insights, and developing and improving products. This includes using first- and third-party cookies, which store or access standard device information such as a unique identifier. If you agree, we’ll also use cookies to complement your shopping experience across the Amazon stores as described in our Cookie Notice. We also use these cookies to understand how customers use our services (for example, by measuring site visits) so we can make improvements. Unfortunately I never run water (that damages brakes) or Jistsie/Trialtech brake fluid, so I can't compare with.We use cookies and similar tools that are necessary to enable you to make purchases, to enhance your shopping experiences and to provide our services, as detailed in our Cookie Notice. The viscosity of the Putoline HPX is definitively less than the Shimano one: the lever required less force and it come back faster. Its straight paraffinic mineral oil with a specific gravity of 0.8607 which is a little more than Shimanos 0.83, but viscosity > 7 mm2/s (7 cSt) at 40 deg C. There is a small improvement compared to the Shimano oil (the front lever still uses Shimano mineral oil). Overall, I really appreciated the change and did not find any drawback. The rear brake felt much better than with the original Magura oil filled in: it seems that I required less force to actuate the lever, which is a nice improvement too. Previously the brake pads came back really slowly. I had the impression to have a better control on the rear wheel. If it were DOT fluid I would say stick with the approved fluid only. ![]() I am not sure if it is related to the change of brake fluid, but I had a very nice session on that day. Keep your disc brake system well maintained and in perfect working order with Shimanos Hydraulic Mineral Oil. Zero problems or seal damage, and though I believe that a different viscosity could/would alter the feel Ive had absolutely no difference in feel or performance using generic mineral oil vs. So I eventually rode on Sunday, the weather being better that forecasted.īleeding with the Putoline was not a problem at all. It could be a nice alternative, cause it is cheaper that the Jitsie or Trialtech brake fluid.ĭo you have some experience with this kind of fluids?ĭo you know the CST values of the Jitsie fluid or Trialtech?ĭid you ever encountered leakage due to usage of a low viscosity fluid?įor those that were used to disc brakes and now ride HS33, did you have to adapt to them? I mean I had not problem with Vees (the rims were not grinded though) I will let you know how it feels once done. This oil is used by some German guys to fix the moving bite point of the Shimano disc brakes. I read indeed that it has one of the lowest ☌ST on the market, even better than the Shimano oil. Today I ordered Putoline HPX 2.5R oil and I think I will bleed the rear brake with. So I decided to bleed the front brake with Shimano disc oil, that has a really low ☌ST. Recently I saw Jitsie and other brands sell a special oil (but they surely get it from somewhere). I recall that many riders used water to bleed their magies. I supposed too, that the lever does not come back fast enough, which amplify the on/off issue. I had mechanical and hydraulic discs on my street/trial (I have also a frame with Vee) and I am used to the progressivity of the bike, I let roll the bike a lot. ![]() I struggle to get used to this on/off behavior of the brakes. It might be lighter, less exposed and have less play but with disc you can nicely modulate your braking and they are now powerful enough (with the right brake pads). ![]() And having - good - experience with discs, I don't really understand why pure competition bike still use HS33. Later I bought a comp stock with disc (Avid juicy in 200mm, about 15 years ago!) Many many years ago, I owned already one (Koxx code) with HS33. It has a new HS33s with the original Magura Blood fluid. ![]() I recently bought a(n used) pure competition trial bike. ![]()
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