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)
PRODUCT SPECIFICATIONS
MODEL NO FC-9000
SERIES DURA-ACE 9000 Series
Color Series color
Average weight 639 g (55-42T), 632 g (54-42T), 618 g (53-39T), 622 g (52-38T), 618 g (52-36T), 610 g (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