
The new asymmetric design of the Dura-Ace Redesigned plates that improve the contact interface with the cogs. Other improvements to the links provide greater durability and life with less noise and smoother function. Use of hollow pins drops weight by over 18 grams even with the addition of a quick connection / removal link.
Technical Documents
Features
- New shaped outer plate
- New designed both outer and inner plates for better contact with gear teeth.
- Hollow pin
- Perforated plate
- Enhanced parts size around pin. Less flexure to affect shifting by enhanced press-in method
Specifications
| Model Number | CN-7900 |
| Series | DURA-ACE |
| Chain Type | Super Narrow HG for 10-speed |
| Cassette Compatibility | |
| Pin Link Plate | Hollow Link Pin |
| Roller Link Plate | |
| Average Weight |