EV-RD-7970
SI-5X20A
Through SEIS, the electronic rear derailleur is the fastest & most precise shifting available for the road. In addition, the carbon pulley plate is lightweight and rigid while adding a dash of style.
Technical Documents
Features
Specifications
| Model Number | RD-7970 |
| Series | DURA-ACE |
| Cassette Compatibility | 10-speed |
| Maximum Sprocket | 27T |
| Minimum Sprocket | 11T |
| Maximum Front Difference | 16 teeth or less |
| Total Capacity | 32 teeth or less |
| Guide Pulley | |
| Tension Pulley | |
| Bracket Body | Aluminum |
| Bracket Pivot Seal | |
| Plate Body | Engineering Composite |
| Plate Pivot Seal | |
| Outer Link | Aluminum |
| Inner Link | Aluminum |
| Link Pin Bushings | |
| Outer Plate | Carbon |
| Inner Plate | Carbon |
| Average Weight | 225g |