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Recommendations for a grease that withstands extreme heat and extreme cold?

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Recommendations for a grease that withstands extreme heat and extreme cold?

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Old 08-22-22, 10:16 AM
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gravelocity
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Recommendations for a grease that withstands extreme heat and extreme cold?

I got a used cruiser with coaster brakes recently. I've disassembled the coaster brake, cleaned the parts, and intend to grease and reassemble them but don't know what grease will be best for my needs. There's an old manual for the Bendix 76 that says to use "hi temp" grease on certain parts of the brake and "grease" on the rest.

It gets very cold where I live. I'm going to be riding in the winter at least occasionally, and when I'm not I want to be able to leave the bike in my unheated garage. I need a grease that doesn't quit when it gets below freezing. Specifically one that still works when it's well below zero. I found that Park Tool high performance stuff online, which claims to be good down to -20F and up to 500+F. Has anyone tried it? Is there any other grease out there that does what it claims to do?

I've heard it said online that you don't want to use hi temp grease on every coaster brake part because the high viscosity would lead to performance problems. If I used the Park Tool stuff, would it be advisable to grease every part in there with it?
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Old 08-22-22, 12:51 PM
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dsbrantjr
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https://www.greenpartstore.com/John-...se-TY6341.html -15 to 350°F (-26 to 177°C) A lifetime supply for $6.47
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Old 08-22-22, 02:10 PM
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Bill Kapaun
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And what era is that hub from?
Ya don't think synthetic or a myriad of other MODERN greases wouldn't work?
Google the spec's.
Automotive wheel bearing grease is Hi Temp with the advent of disc brakes.
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Old 08-22-22, 04:23 PM
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veganbikes
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This came up while searching the great god googles it was the first thing:
https://www.superior-industries.com/...oduct_122.html
Pricey maybe, but 1500˚ is pretty good heat resistance I don't know how hot a hub gets but I would think it get nowhere near that so the grease could last forever.

I wonder if there would have been a Repack if they had that stuff?
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Old 08-22-22, 05:28 PM
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Mobil One synthetic grease is available in just about any auto parts store. -40 to 302F.
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Old 08-22-22, 05:36 PM
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Originally Posted by veganbikes
This came up while searching the great god googles it was the first thing:
https://www.superior-industries.com/...oduct_122.html
Pricey maybe, but 1500˚ is pretty good heat resistance I don't know how hot a hub gets but I would think it get nowhere near that so the grease could last forever.

I wonder if there would have been a Repack if they had that stuff?
We'll have to ask Repack Rider
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Old 08-23-22, 08:07 AM
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Keefusb
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Another thumbs up for Mobil1 synthetic grease.
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