Setup new gear cables on 5800 shifters. 6800 rear, 5800 front. (Also have an r8000 front…)
Basically, I can shift the rear cassette into larger cogs. If I try to shift into smaller cogs, there is zero resistance at the shifter. The paddle swings all the way through the range of motion - no engagement. If I let it sit a bit, say 2 minutes, I can shift into those smaller cogs.s
Similar problem in the front.