Shimano Dura Ace 9000 Chainring Staining?

Discuss light weight issues concerning road bikes & parts.
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mikael17128
Posts: 1
Joined: Sun Feb 16, 2014 8:14 pm

by mikael17128

Anyone out there noticed staining or quasi-corrosion on the back of the Shimano 9000 chainrings? Especially the large.

by Weenie


davidalone
Posts: 589
Joined: Fri Feb 10, 2012 4:27 pm

by davidalone

a picture would be good. what do you mean by staining or quasi corrosion? literally impossible to stain an anodised part.

Anders3404
Posts: 103
Joined: Sun Aug 05, 2012 7:50 am

by Anders3404

Not on DA9000, but last week I took my cross bike apart and I noticed that the small chainring has corrosion to the extend that I could peel off layers of metal around the bolts.

My chain rings are Shimano XT on a XT-M785 chainset

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