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Chainring Bolts Came Loose

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Chainring Bolts Came Loose

Old 06-30-08, 06:51 AM
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Dayton Duo
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Chainring Bolts Came Loose

I was working on my tandem and noticed the middle chainring had a tooth broke off. Got a replacement from the LBS and put it on. Thought I tightened the bolts, but yesterday while cleaning the chain, I noticed the bolts had loosened. A few questions: Is there a right and wrong direction for a chainring? With the print facing out, there is no countersink for the chainring bolt. I put the ring on with the print facing out, should I reverse it so that I use the countersink? Second, I greased the threads on the bolts, was that a mistake? Thanks for any thoughts.
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Old 06-30-08, 06:57 AM
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Shimano cranks have the chainrings installed with the engraving on the large chainring facing out but the small (or middle and granny rings on a triple) are installed with the engraving facing in.

Campy cranks have all rings installed with the engraving facing out.
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Old 06-30-08, 07:02 AM
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It is a Rocket chainring, 44T.
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Old 06-30-08, 07:05 AM
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Originally Posted by Dayton Duo View Post
It is a Rocket chainring, 44T.
I've no experience with these but, if there are countersinks for the bolts (actually the nuts), install the ring so the nuts use them. Also, torque the chainring bolts down TIGHT.
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