EV-ST-7970
SI-6RX0A
Dura-Ace DI2 takes Shimano shifting performance to a whole new level with SEIS (Shimano Electronic Intelligent System). In addition to uni-directional carbon fiber levers, the electronic shifters are ultra lightweight.
Technical Documents
Features
Specifications
| Model Number | ST-7970 |
| Series | DURA-ACE |
| Optical Gear Display | - |
| Cassette Compatibility | 10-speed |
| Front Shifting | Double |
| Bracket Material | Engineering Composite |
| Lever Material | Carbon |
| Shift Cable Casing | - |
| Shift Cable | - |
| Super SLR | yes |
| Reach Adjuster | Yes |
| Average Weight | 255g |