产品规格
| 型号 | CS-R9100 |
|---|---|
| 系列 | DURA-ACE R9100 Series |
| Average weight | 175 g (11-25T) 193 g (11-28T) 211 g (11-30T) 189 g (12-25T) 205 g (12-28T) |
| Combination name(Group name) | 11-25T 11-28T 11-30T 12-25T 12-28T |
| Compatible chain | HG-EV 11-speed/HG-X11 |
| Speeds | 11-speed |
| Spider arm_QTY (pcs) | 2 |
| Type | HG-EV |