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I just took home a shiny Van Nicholas Amazon frame. The bike shop provided me with some copper grease and told me to apply it on the bottom bracket, otherwise the frame would suffer from "cold bonding" over the years. Looking further in to it, I read that is best to apply it on every metal to titanium contact. I want to keep this frame for life, so I think this is important enough.

Question: does that go as well for :

  • the length of the seatpost that sits in the frame ?
  • seat clamp ?
  • bottle cage bosses ?
  • rear derailleur ?
  • front derailleur clamp ?

And, should I apply it wealthy or just a thin coat is enough ?

Edit: here is how I used the copper grease :

seatpost itself and the clamp also bottom bracket front derailleur clamp

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judging from link : looks like greasing the seatpost is a good idea –  Jan Van Overbeke Jul 7 at 8:54
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In this answer and this answer @zenbike mentions copper grease a few times. From this Google search it appears that the answer to all your questions is "yes". As a non-expert, I would be using it wherever there is metal-to-metal contact. –  andy256 Jul 15 at 0:58

1 Answer 1

up vote 2 down vote accepted

I would say yes, use copper grease / ti prep / anti-seize on any titanium-to-metal contact (and especially ti to aluminum) that you anticipate staying put for a long period of time.

Length of the seatpost - yes Seat post clamp - yes Bottle cages bolts - yes Rear derailleur - yes

The front derailleur clamp seems more questionable because it isn't threaded or a tight fit in theory, but sure, why not? Applying liberally is better— you want the copper grease to stay put through washes and rain to do its job.

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