Originally Posted by
Redbullet
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Then, I used 2 chains of the same type alternatively (cleaned and switched one with the other one at around 1000 km) and I changed the cleaning mode.
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Thanks
You might be on to something there. Maybe the lubrication in the chain that is not being used has time to reflow around the pins. I would however measure the chain again after a short ride. What cleaning mode are you using if you don't mind me asking?