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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 09-23-06, 10:54 AM   #1
vrkelley
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Ultegra 53/39 chain ring question (basic)

In April, I upgraded from 105(8) to the Ultegra (10). Nice change, great crank, and less maintenance over all. Now after 1,500 miles I notice that the grey coating where the chain engages the crank appears worn off. Shifting is still quick as new.

What is the grey coating...Is this normal for the grey coating to be worn off?
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Old 09-23-06, 11:00 AM   #2
operator
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yes
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Old 09-23-06, 07:41 PM   #3
vrkelley
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Thanks Operator. You just saved LBS pit-stop
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