"The other surprise is to find that SRAM’s Transmission is actually a touch faster shifting under a load than without. It is also slower while upshifting than downshifting, the only one in the test to do so.
It’s clear that shifting precision has come at the expense of shifting speed, but out on the trail, all test riders agree that they’d prefer a clean, smooth shift over a crunchy, fast one any day."
https://mbaction.com/drivetrain-shift-speed-shootout-sram-versus-shimano/#:~:text=UPSHIFT (moving down the cassette,to cross than the others.
