GS
Max front difference: 10T
Total capacity: 35T
Low sprocket max: 42T (2x), 46T (1x)
SGS
Its low sprocket max capacity is 40T for 3x11 setups, 42T for 2x11-speed and 46T for 1x11-speed setups. The max front difference is 18T and its total capacity is 41T.
If you're thinking of installing MTB derailleurs on your gravel bike, keep in mind that, to be able to use synchronized shifting, an SC-MT800 display or SC-M9051 display is required.
GS
Max front difference: 10T
Total capacity: 35T
Low sprocket max: 42T (2x), 46T (1x)
SGS
Its low sprocket max capacity is 40T for 3x11 setups, 42T for 2x11-speed and 46T for 1x11-speed setups. The max front difference is 18T and its total capacity is 41T.
If you're thinking of installing MTB derailleurs on your gravel bike, keep in mind that, to be able to use synchronized shifting, an SC-MT800 display or SC-M9051 display is required.
https://bettershifting.com/component/xtr-medium-cage-rear-deraileur-rd-m9050-gs/