On the big ring? My guess would be limit screws.
My LBS told me the new firmware won’t let you cross chain small/small.
small chainring on the front wont go the the 2 smallest at the back
You shouldn't even be trying to do that.
@AlphaOmega started
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On the big ring? My guess would be limit screws.
My LBS told me the new firmware won’t let you cross chain small/small.