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Derailleur Pulleys/Red Loctite(4 posts)

Derailleur Pulleys/Red LoctiteMisJG
Mar 23, 2001 5:28 AM
I purchased some aluminum replacement derailleur pulleys and was reading the installation instructions. They say to use "a red Loctite" on the bolts when assembling. The red Loctite that I bought looks like it will be absolutely impossible to get apart once it has set and that makes me a little nervous about making this swap. Is there more that one strength of red Loctite? Are the aluminum pulleys even worth the bother of making the swap or should I just leave the standard Shimano plastic pulleys in place?
Guide pulleyBipedZed
Mar 23, 2001 5:37 AM
The Shimano guide (top) pulley is designed with some lateral play to account for imprecise index adjustment. The aftermarket pulley will require a more precise index adjustment and will be noisier than the Shimano guide pulley when not adjusted correctly.

If it were my bike, I'd stick with the Shimano pulleys.
re: Derailleur Pulleys/Red LoctiteAkirasho
Mar 23, 2001 6:58 AM
hmmmmmm... I don't know why they'd suggest red loctite... I'd use blue. The bond is strong yet it can be broken for disassembly later.

Be the bike.
there might be 2 different red loctitesJon(unregistered)
Mar 23, 2001 7:52 AM
but I'd use blue, or go without. I've yet to have a pulley bolt come loose, but I've heard stories, so at least check them every once in a while.
Personally, I ran through a set of Carmichael pulleys in a year of riding, but it was off-road. The road bike I have now came with alloy pulleys, look like Shift Biscuits, which have been fine except for some noise from that area. Don't remember if the Carmichael's were loud, but then that drivetrain was usually muckier.
They work fine, though, and you've already got them, so why not use them? Jon