Electronic & Hydraulic Shifting (Di2, Ui2, customisations)

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iamalex

Rotor chainset + 50/34 Praxis rings + 6870 DI2 + Ultegra chain

Front upshifts very temperamental, chain doesn't catch the big ring and slips around. Have to shift with minimal load. I've tried to setup from scratch a couple of time now.

Chainrings had 2000km on a 10speed setup before going to 11speed. Total 10000km. Could be that?

Any obvious setup steps to resolve?

Thanks

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skinny in reply to @iamalex

10000km would be dead rings to be. I just replaced some around that milage.

Post a photo of the rings.

Perhaps your hi/low adjustment is out on the derailleur. That could cause it to not upshift properly.

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