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  1. #1
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    Grease or no grease

    Its been a while since I've wrenched on bikes and I just picked up some Al crank fixing bolts which I'll be threading into a Ti bottom bracket. I also got some Al brake posts with which I'll be securing the brake arms with Ti bolts. Should I use grease or Ti prep in either of these applications?
    Thanks.Grease or no grease-0714131448-00.jpgGrease or no grease-0714131449-00.jpgGrease or no grease-0714131518-00.jpg

  2. #2
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    Ti prep anti=seize for sure - which could be an issue for a situation where a thread locking compound might normally be used. And it may affect the torque reading on the crank bolts, as it has a lube base, so be careful with tightening the crank bolts.
    I'm a member of NSMBA and IMBA Canada

  3. #3
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    Grease or no grease

    Quote Originally Posted by rockyuphill View Post
    Ti prep anti=seize for sure - which could be an issue for a situation where a thread locking compound might normally be used. And it may affect the torque reading on the crank bolts, as it has a lube base, so be careful with tightening the crank bolts.
    I thought loctite was antiseize too? Couldn't you just use some blue loctite and solve all your problems?

    From the loctite website: "It protects threads from rust and corrosion and prevents loosening from shock and vibration."

  4. #4
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    Ti-prep for Ti.
    Geologist by trade...bicycle mechanic (former) by the grace of God!

    2012 Specialized Stumpy EVO 29 HT

  5. #5
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    Thanks for the responses! I used Blue Locktite #243 on the Al brake stud threads into the frame and fork as per Extralite instructions and Copper anti seize on the Ti connections. The Locktite I found in a Auto parts store and I can't remember where I got the Copper anti seize, most likely the same place.
    I saved 38 grams over the original steel bits at a cost of $1.96 per g.
    Thanks to Fairwheel Bikes for including these hard to find parts in there Extralite order.

  6. #6
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    No guarantee that Loctite will prevent galvanic corrosion from dissimilar metals, with fasteners of the same metal and conventional water generated corrosion it can help with. Ti anti-seize has the conductive copper paste in it to "short circuit" the interface between dissimilar metals.
    I'm a member of NSMBA and IMBA Canada

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