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I used to think as simple as lubcirants and grease, now that I'm off to buy grease to assemble a bike I'm confronted with dozens of different types of greases.

Does it matter what grease I buy? If absolutely not what grease do I use for what?

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    Can you describe what components / materials you'll be assembling? Carbon, Al alloy, steel? You can do most jobs with just one, or maybe two, if we know the combination of materials. – andy256 Jul 26 '16 at 6:50
  • Carbon for sure, Carbon seattube, Al forktube.. bottom bracket and pedals need some too. I've read moving parts (high temperature) need different grease than non moving parts (low temperature) – AzulShiva Jul 26 '16 at 6:55
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    Grease mostly universal for metal component and any moving parts other than the chain. For any bolt-in stuff, heavy duty grease/anti-seize should do the job. For bottom bracket, bearing, some use suggest using water-resistant grease. Just skip graphite. – mootmoot Jul 26 '16 at 8:47
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    And anything carbon on carbon you need a carbon fibre specific compount, neither a grease nor an oil. And a torque wrench for clamps onto carbon... don't use the mechanic's elbow to measure torque! – Criggie Jul 26 '16 at 9:06
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    @Azul Shiva: That paste would be good for anything where carbon meets carbon or whatever else in a static contact. But it's not meant to be used as GREASE between moving parts. – Carel Jul 26 '16 at 17:53
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The only question I would have is if the bike is Carbon Fiber or not. I'm guessing it's not and is an alloy (metal) bike. Just like cars, there are tons of stuff people will try to sell with magical properties. Ignore them.

There are two greases I use: The first is because it is everywhere, cheap and easy to apply thanks to the tube:

Park PolyLube

If you want more grease for your money, you can't beat Lucas Marine Grease:

Lucas Marine Grease

In the end either will do the job very well. The marine grease is longer lasting and theoretically more rust resistant. But I use it because it does the job well, a tube lasts forever (use a plastic spoon to dig some out when needed) and it's thicker than Park's stuff.

I carry the Park stuff with me on a mobile job because it is easy to apply and customers like names they recognize. The cost is the same for either. I'd vote for Park due to convenience.

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I got poly lube made for bikes. Your link says protection from twisting. This makes me worry. It may add resistance to twisting like all bearings do.

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