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Water bottle lugs(5 posts)

Water bottle lugsTarantula
Sep 15, 2003 3:45 PM
I bought a Starlight frame knowing that superlight alu frames don't last forever. The frame is actually impressing me, but the water bottle holder lugs (attached to the frame) are now loose. Are there any fixes?
Possible fix....cory
Sep 15, 2003 4:13 PM
I'm not sure how those are attached--I'm guessing they're swaged on rather than welded--but Cannondale frames had a similar problem several years ago and the dealers had a tool, sort of like a rivet gun, to fix it. I don't remember the details, but it's not impossible to do. Might check with a Cdale dealer.
They're most likely rivnutsKerry Irons
Sep 15, 2003 4:29 PM
Which means a combination of a rivet (punched in place) and a threaded insert. It might be easy to fix with a drop of superglue. It might be easy to fix at a well-equipped bike shop that has the tool for installing them (probably the preferred fix). It might be easy to fix with a small punch yourself. Inspect it closely and proceed with caution.
If they are rivnuts...Atombomber
Sep 15, 2003 7:37 PM
then you can easily tighten then yourself. All you need is a bolt of the same diameter and thread pitch of the water bottle bolt, but at least twice as long, a nut to fit said bolt, and a flat washer of the same diameter, all steel of course. Then you need a wrench to fit the nut and one for the bolt, or an allen key if that is what you chose. Spin the nut onto the bolt to about mid way, apply some grease to the bolt, and slide the washer on. Screw the assembly into the loose bottle cage nut so that all the cage nut threads are covered. Hold the bolt so it won't spin and tighten the nut. This re-squeezes the rivnut tight again. Know when to stop though. Tighten, check, tighten, check, until it is tight.
ThanksTarantula
Sep 15, 2003 8:43 PM
I am an over-tighten tool klutz...so I will have my (very good) LBS have a shot at the re-tighten suggestions.