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Discussion Starter · #1 ·
have about 1000 miles on my 2008 Madone 5.5 and the crank axle has developed a significant gap between the axle OD and the bearing inner race ID. Tightening the left crank axle bolt seems to snug things up (this is what the LBS mechanic did) but soon the assembly loosens up again such that the lateral play as measured at the crank arm is about 1/16 inch. (grab both crank arms and rock them back and forth)

Has anyone else had this problem? Fix? Am I completely misunderstanding what is going on here?
 

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Discussion Starter · #2 ·
I posted this message on the manufacturer's form before here and got no reply. Now that I got a reply on the Mfg form I will continue the dialogue there. I don't want two threads going at the same time. If you have any input please reply on the Trek form.

Thanks
 
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