Originally Posted by
leob1
Citric acid, I wouldn't worry about it eating your chain. I think Shimano is talking about using something like naval jelly, which would be very bad for your chain.
The citrus based cleaners probably won't hurt your chain. However, if you clean your chain on the bike, you may be putting rubber at risk (such as some of the rubber parts found on Dura Ace dérailleurs).
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