HRD Shifters: AXS enabled for easy personalization, contact point and separate reach adjustment, textured paddles, bleeding edge
Rear Derailleur: Derailleur can be run as 1by or 2by, Orbit Chain Management, large X-Sync pulleys with stainless bearings
Front Derailleur: Yaw trimless cage, increased tire clearance
Pairable with AXS app (IOS / Android), to see battery status, change component behaviour, personalize controls, get maintenance reminders, and update firmware.