Which Loctite for spoke nipples?
#1
Aluminium Crusader :-)
Thread Starter
Which Loctite for spoke nipples?
I have a new front CXP33 wheel (32 hole) that will not stay true, seemingly because
some of the spokes keep coming loose.
When I straighten it, the same, or different spokes will loosen during the next ride.
I've twice returned it to the guy who originally finished it for me, but no luck
The rim does not appear to have any cracks, and a few bike shop guys have
said that the tension is fine.
It has black, straight guage DTs, with 'standard' (brass) nipples.
THANKS
some of the spokes keep coming loose.
When I straighten it, the same, or different spokes will loosen during the next ride.
I've twice returned it to the guy who originally finished it for me, but no luck
The rim does not appear to have any cracks, and a few bike shop guys have
said that the tension is fine.
It has black, straight guage DTs, with 'standard' (brass) nipples.
THANKS
#2
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You would have to disassemble the wheel to get any Loctite in the threads to begin with. I would have the builder start over and make sure he uses a proper spoke prep (not Loctite) when he relaces the wheel.
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Find a new builder. There is something fundementally wrong
with the wheel if it keeps loosenening.
If anything I would use either Spokeprep (wheelsmith),
Nipple Lube (rock n roll) or go totally oldschool and
use boiled linseed oil.
Marty
with the wheel if it keeps loosenening.
If anything I would use either Spokeprep (wheelsmith),
Nipple Lube (rock n roll) or go totally oldschool and
use boiled linseed oil.
Marty
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#4
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You can use loctite if you must. Just remove the nipple, soak it in acetone, clean the spoke threads in acetone with a cotton swab, dry, and apply nothing stronger than Loctite's Blue to the spoke threads. Immediately reinstall and true to final true condition within 20 minutes.
However, I suspect that even though your LBS guys are saying there isn't a spoke tension problem, this may in fact be the cause of the spokes loosening. Spend MORE money and buy a Park Spoke Tension gauge and use it before using Loctite. You can lend it to all your friends on the Aussie thread and maybe they'll lend you one of their Look KG486 bikes to ride.
This problem may also be caused by a poor extrusion on that specific rim, so if after properly tensioning the spokes, the problem remains, and you don't want to replace the rim, then use Loctite.
However, I suspect that even though your LBS guys are saying there isn't a spoke tension problem, this may in fact be the cause of the spokes loosening. Spend MORE money and buy a Park Spoke Tension gauge and use it before using Loctite. You can lend it to all your friends on the Aussie thread and maybe they'll lend you one of their Look KG486 bikes to ride.
This problem may also be caused by a poor extrusion on that specific rim, so if after properly tensioning the spokes, the problem remains, and you don't want to replace the rim, then use Loctite.
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Green loctite is designed for post tightening application. I've used it with good results on my son's motorcycle wheels and on the wheels for his downhill bike.
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Originally Posted by lotek
If anything I would use either Spokeprep (wheelsmith),
Nipple Lube (rock n roll) or go totally oldschool and
use boiled linseed oil.
Marty
Nipple Lube (rock n roll) or go totally oldschool and
use boiled linseed oil.
Marty
#8
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Originally Posted by Retro Grouch
Green loctite is designed for post tightening application. I've used it with good results on my son's motorcycle wheels and on the wheels for his downhill bike.
Just curious ...... I assume you are talking about #290 Loctite? Have you ever used that on bike spokes and then later re-adjusted them? I ask because 290 is some pretty strong sh*t. I helped a friend remove the bottom plate on his jet ski this summer and the 5mm bolts used green/290 and they were a major b*tch to break loose. If you look on the Loctite site, they use 10mm bolts for their specification example and the break torque required for a 10mm was 30 in/lbs. Am I wrong in thinking that 290 on a bike spoke is just about permanent, unless you just a solvent later on??? Like I said, just curious.
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Your builder may not be tensioning the spokes properly. The spokes will twist when the nipple is turned so all will appear to be fine after the build. The first time you ride the spokes will un-twist and the wheel will go out of true. Sheldon brown has a great description on turning the nipples past the proper tension then turning them back to untwist the spoke.
Enjoy
Enjoy
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Originally Posted by cascade168
Just curious ...... I assume you are talking about #290 Loctite? Have you ever used that on bike spokes and then later re-adjusted them? I ask because 290 is some pretty strong sh*t. I helped a friend remove the bottom plate on his jet ski this summer and the 5mm bolts used green/290 and they were a major b*tch to break loose. If you look on the Loctite site, they use 10mm bolts for their specification example and the break torque required for a 10mm was 30 in/lbs. Am I wrong in thinking that 290 on a bike spoke is just about permanent, unless you just a solvent later on??? Like I said, just curious.
In his case, both sets of wheels were so loose that I didn't see that there was anything to lose by trying something different. His downhill wheels, for example are Tioga Factory DH and were about 5 years old with little or no trueing but the rims were pretty badly beaten up. He likes to routinely ride off of 10' drop offs and the like so they get a pretty good test. I told him to plan on buying new rims for his next wheel rebuild so who cares if I have to cut off the spokes?
His Honda is a 450 something 4-stroke motocross bike so we're talking plenty of power. I don't like to even think about what he must be doing with that and I definitely don't share my thoughts with his mother. I just know that I could turn most of the spoke nipples with my fingers so using a little loctite on them is bound to be an improvement.
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Originally Posted by Retro Grouch
In his case, both sets of wheels were so loose that I didn't see that there was anything to lose by trying something different. His downhill wheels, for example are Tioga Factory DH and were about 5 years old with little or no trueing but the rims were pretty badly beaten up. He likes to routinely ride off of 10' drop offs and the like so they get a pretty good test. I told him to plan on buying new rims for his next wheel rebuild so who cares if I have to cut off the spokes?
His Honda is a 450 something 4-stroke motocross bike so we're talking plenty of power. I don't like to even think about what he must be doing with that and I definitely don't share my thoughts with his mother. I just know that I could turn most of the spoke nipples with my fingers so using a little loctite on them is bound to be an improvement.
His Honda is a 450 something 4-stroke motocross bike so we're talking plenty of power. I don't like to even think about what he must be doing with that and I definitely don't share my thoughts with his mother. I just know that I could turn most of the spoke nipples with my fingers so using a little loctite on them is bound to be an improvement.
Yes, I can see where all the vibration and power in a motorcycle might require a serious threadlocker. Plus, you are talking about a much bigger gauge spoke and nipple, right?
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Originally Posted by powers2b
Your builder may not be tensioning the spokes properly. The spokes will twist when the nipple is turned so all will appear to be fine after the build. The first time you ride the spokes will un-twist and the wheel will go out of true. Sheldon brown has a great description on turning the nipples past the proper tension then turning them back to untwist the spoke.
Enjoy
Enjoy
#13
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I have a set of Bontrage Race wheels, the bike was used for 6 months when i got it, so i don't know what the storie is but i've never crashed it. THE SAME 2 SPOKES KEEP COMING LOSE. time and time again, they get to the point where it's like a peice of spagetti, but every other spoke on both sides of the rim stiff. I've had it trued twice now and the mechanic was saying we should do a rebuild to identify if there's a bend in the rim, or some bad(stretched) spokes that might need replacing. I was considering loctite, but maybe not? Is rebuilding a rear wheel really worth it ? Or should i just order a new aero wheel that i've kinda had my eye on?
#14
Aluminium Crusader :-)
Thread Starter
Originally Posted by krazyderek
. THE SAME 2 SPOKES KEEP COMING LOSE. ?
Try a couple of DT Pro Lock nipples
https://www.dtswiss.com/index.asp?fus...n=nipples.bike
I think they come with a bit of Loctite already in there, or a nylon insert, or something.
Last edited by 531Aussie; 09-06-05 at 10:53 AM.
#15
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Originally Posted by krazyderek
THE SAME 2 SPOKES KEEP COMING LOSE. ?
So i'm trying to phone Mike Garcia now to see if i can buy a rim that will be compatible with the spokes and hub, i might just send it to him and have him build a niobium 30 with my parts.
#16
Aluminium Crusader :-)
Thread Starter
well, there you go, you've now got an excuse to buy them new aero wheels
I'd guess the crack would've contributed to the spokes going out of whack.
I'd guess the crack would've contributed to the spokes going out of whack.
#17
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alas, nothing can be switched over, although mike was very nice to talk to, i don't have the cash for a whole new rear wheel or set of wheels i guess i'm stuck just getting a replacement rim for my local trek/bontrager dealer...