Regarding kinematics, a smaller chain ring (at least on my bike) has greater anti-squat. So shifting with a front derailleur to a larger chain ring for downhill results in free-er moving kinematics, then shifting to a smaller chain ring for the uphill results in less bob. Best of both worlds ;-)
Sept. 25, 2021, 7:55 p.m. - taprider
Regarding kinematics, a smaller chain ring (at least on my bike) has greater anti-squat. So shifting with a front derailleur to a larger chain ring for downhill results in free-er moving kinematics, then shifting to a smaller chain ring for the uphill results in less bob. Best of both worlds ;-)