Loose water bottle boss
04-08-08, 09:09 PM
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Loose water bottle boss
Cannondale frame, pulled the cage and the boss (not sure if it's still called that if it's not brazed on) is loose in the frame. Not pulling out, but wiggles in the hole. Easy solutions, other than listening to my waterbottle rattle every ride?
04-08-08, 09:24 PM
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You probably have a riv-nut. If you don't have the proper rivet tool die for riv-nuts, you can try using a longer version of the metric bolt for the cage. Have a flat washer and nut too. You are going to try to re-compress the riv-nut. Thread the bolt into the riv-nut, with a flat washer resting on the riv-nut. The nut should be already on the bolt. Hold the bolt stationary, and spin down the nut against the washer. Carefully torque the nut to squeeze the riv-nut's inner flange. If done correctly, the riv-nut should be tight against the tube wall.
04-09-08, 10:54 AM
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Late to the party, but any decent shop should have a tool to do that. On my SystemSix, two of the riv-nuts were loose, so I had the shop I got the bike through tighten them up. Took about 30 seconds each.
04-09-08, 11:02 AM
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Eric
04-09-08, 01:22 PM
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Here is from Park Tool site - water bottle fittings.
04-09-08, 01:25 PM
#6
You Know!? For Kids!
That Park Tool tip looks awesome. I hope I get a loose riv nut so I can try it!
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04-09-08, 07:16 PM
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Here is from Park Tool site - water bottle fittings.
04-09-08, 07:23 PM
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Pwnerer
04-09-08, 10:17 PM
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You Know!? For Kids!
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04-10-08, 07:33 AM
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04-11-08, 07:27 AM
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One more word. Warranty
04-11-08, 02:30 PM
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