- X-Range for smoother gear range and progression
- 440% range offering full coverage combined with a single chainring
- Mini Cluster construction to reduce weight and increase durability.
- Designed to work with 1x XPLR rear derailleurs
- Compatible with XDR freewheel
- 10-44D: 10,11,13,15,17,19,21,24,28,32,38,44.
Requires specific AXS max rear derailleurs. 44. Not compatible with standard Red AXS and Force AXS rear derailleurs.