HOLLOWTECH II (第二代中空技术)曲柄组 (2x11速)

DURA-ACE_9000_m

FC-9000

DURA-ACE_9000_m

FC-9000

HOLLOWTECH II (第二代中空技术)曲柄组 (2x11速)

  • FEATURE
    • 轻量,高效
    • 配有新型导链设计,减小链条脱落几率
    • 保持刚性,减少重量
    BENEFIT
    • 最佳的动力传输
    • 4臂结构曲柄组
    • HOLLOWGLIDE
    • 110mm的PCD直径
    • 50-34T/53-39T/54-42T/55-42T/52-36T/52-38T
    • 重量: ‌‌683g (53-39T, 含中轴) 683g (50-34T, 含中轴)

相关技术

产品规格

型号 FC-9000
系列 DURA-ACE 9000 系列
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 X
Threaded BB shell width_70mm X
Compatible BB type_Outboard X
Compatible chain HG-EV 11 速/HG-X11
Crank arm length (mm)_165.0 X
Crank arm length (mm)_167.5 X
Crank arm length (mm)_170.0 X
Crank arm length (mm)_172.5 X
Crank arm length (mm)_175.0 X
Crank arm length (mm)_177.5 X
Crank arm length (mm)_180.0 X
Gear arms 4
HOLLOWGLIDE X
HOLLOWTECH Technology X
Optional chain guard_Without chain / bash guard X
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 X
Q-factor (mm) 146