The Shimano SLX rear derailleurs: 12-speed RD-M7100 and 11-speed RD-M7000
Enduro and Cross Country rear derailleur, Shimano XTR Di2 RD M9250 GS, 12x1-speed, Shadow ES, electric, Di2 wireless, medium-length cage for 9/10-45-tooth cassettes, without battery
Mountain bike rear derailleur, Shimano XTR Di2 RD M9250 SGS, 12x1-speed Shadow ES, electric, Di2 wireless, long cage for 10-51-tooth cassettes, without battery
E-bike mountain bike rear derailleur, Shimano XTR Di2 RD M9260 SGS, 12x1-speed Shadow ES, electric, Di2 wireless, long cage for 10-51 tooth cassette
E-bike rear derailleur, Shimano XTR Di2 RD M9260-11 Linkglide, 11x1-speed Shadow ES, electric, Di2 wireless, SGS long cage, for 10-51 tooth cassette
Enduro and Cross Country MTB rear derailleur, Shimano Deore XT Di2 RD M8250 GS, 12x1-speed, Shadow ES, electric, Di2 wireless, medium-length cage for 9/10-45-tooth cassettes, without battery
Mountain bike shift lever, Shimano XTR Di2 SW M9250 R, 12-speed Rapid ES, electric, Di2 wireless, handlebar clamp 22.2 mm
Mountain bike shift lever, Shimano XTR Di2 SW M9250 IR, 12-speed Rapid ES, electric, Di2 wireless, I Spec EV Direct mounting
Shimano Di2 BT DN320 replacement battery for Shimano MTB and Gravel Di2 wireless 12-speed rear derailleurs