Shimano Front Chainwheel Dura Ace Di2
IFC9000CX04
Description :
DURA-ACE HOLLOWTECH II - Road Crankset - 2x11-speed
The DURA-ACE FC-9000 crankset uses advanced HOLLOWTECH II technology and a 4-arm design to reduce weight while maintaining efficiency. An improved chain guide provides surefire shifting and decreased chain drop. It uses a 110mm pitch circle diameter and is offered in 50-34, 52-36, 52-38, 53-39, 54-42, 55-42T chainring options. It is available in 165, 167.5, 170, 172.5, 175, 177.5, and 180mm crankarm lengths.
- Optimum Power Transfer
- Lighter weight, maintain efficiency
- Combined with the improved chain guide design to reduce chain drop
- 4-arm construction crankset
- Maintains high rigidity and reduces weight
- HOLLOWGLIDE
- 110mm Pitch Circle Diameter
- 50-34T/53-39T/54-42T/55-42T/52-36T/52-38T
- Weight: 683g (50-34T, with bottom bracket)
Specs :
| MODEL NO | FC-9000 |
|---|---|
| SERIES | DURA-ACE 9000 Series |
| Color | Series color |
| Average weight | 610 g (50-34T) |
| HOLLOWTECH II Technology | ✔ |
|---|---|
| Chain line (mm) | 43.5 |
| Chain ring combination | 55-42T, 54-42T, 53-39T, 52-38T, 52-36T, 50-34T |
| Compatible BB type | Outboard |
| Compatible chain | HG-EV 11-speed, HG-X11 |
| Crank Arm Length | 165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm, 177.5 mm, 180 mm |
| Gear arms | 4 |
| HOLLOWGLIDE | ✔ |
| HOLLOWTECH Technology | ✔ |
| Optional Chain Guard | Without chain guard |
| P.C.D. (mm) | 110 |
| Rear speeds | 11 |
| Recommended BB_Pressfit | SM-BB92-41B |
| Recommended BB_Threaded (normal) | BB-R9100 |
| Threaded BB Shell Width | 68 mm, 70 mm |
| Includes Crank Arm Fixing Bolt | Yes |
| Q-factor (mm) | 146 |
