Technical Documents
Features
- Wide Link design
- SIS-SP41 cable housing
- 9 & 10-speed compatible
- Max. Front Difference: 22T
- Total Capacity: 37T
- Weight: 192g
Specifications
| Model Number | RD-7800-GS |
| Series | DURA-ACE |
| Cassette Compatibility | 10-speed |
| Maximum Sprocket | 27T |
| Minimum Sprocket | 11T |
| Maximum Front Difference | 22T |
| Total Capacity | 37T |
| Guide Pulley | Sealed bearing |
| Tension Pulley | Sealed bearing |
| Bracket Body | cold forged aluminum/ anodized |
| Bracket Pivot Seal | double O-rings |
| Plate Body | cold forged aluminum/ anodized |
| Plate Pivot Seal | double O-rings |
| Outer Link | cold forged aluminum/ anodized |
| Inner Link | cold forged aluminum/ anodized |
| Link Pin Bushings | fluorine coated(4) |
| Outer Plate | aluminum/anodized |
| Inner Plate | aluminum/anodized |
| Average Weight | 192g |

