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 (53-39T, with bottom bracket) 683g (50-34T, with bottom bracket)
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | FC-9000 |
---|---|
SERIES | DURA-ACE 9000 Series |
Color | Series color |
Average weight | 639 (55-42T), 632 (54-42T), 618 (53-39T), 622 (52-38T), 618 (52-36T), 610 (50-34T) |
HOLLOWTECH II Technology | ✔ |
---|---|
Threaded BB shell width_70mm | ✔ |
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 fixing bolt included | ✔ |
Crank arm length (mm)_165.0 | ✔ |
Crank arm length (mm)_167.5 | ✔ |
Crank arm length (mm)_170.0 | ✔ |
Crank arm length (mm)_172.5 | ✔ |
Crank arm length (mm)_175.0 | ✔ |
Crank arm length (mm)_177.5 | ✔ |
Crank arm length (mm)_180.0 | ✔ |
Gear arms | 4 |
HOLLOWGLIDE | ✔ |
HOLLOWTECH Technology | ✔ |
Optional chain guard_Without chain / bash 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_68mm | ✔ |
Q-factor (mm) | 146 |