HOLLOWTECH II (第二代中空技术) 曲柄组

DXR_MX70_m

FC-MX71

DXR_MX70_m

FC-MX71

HOLLOWTECH II (第二代中空技术) 曲柄组

  • BENEFIT
    • HOLLOWTECH II (第二代中空技术) 设计,带有新支架
    • 轻量但刚性强的曲柄设计
    • 更窄Q因素,踩踏更顺畅
    • 钢制脚踏螺纹
    • 曲柄长度: 165mm, 170mm, 175mm, 180mm
    • 可选齿数: 34/38/41/42/43/44/46T
    • 链条中心线: 44mm
    • 68mm五通兼容
    • 链条尺寸: 1/2x3/32

相关技术

产品规格

型号 FC-MX71
系列 SHIMANO DXR MX70 系列
Color Series color, -
Average weight 765 g (w/o chainring)
2-piece crank construction X
Chain line (mm) 44
Chain ring combination 34, 38, 41, 42, 43, 44, 46T
Compatible BB type_Outboard X
Compatible BB type Outboard
Compatible chain 单速
Crank Arm Length 165, 170, 175, 180
Crank fixing bolt included X
Crank arm length (mm)_165.0 X
Crank arm length (mm)_170.0 X
Crank arm length (mm)_175.0 X
Crank arm length (mm)_180.0 X
Gear arms 4 臂
HOLLOWTECH II X
HOLLOWTECH crank arm X
Optional chain guard_Without chain / bash guard X
Optional Chain Guard Without chain / bash guard
P.C.D. (mm) 104/64
Rear speeds 1
Threaded BB shell width_68mm X
Threaded BB shell width_73mm X
Threaded BB Shell Width 68mm, 73mm
Crank arm fixing bolt_With X
Includes Crank Arm Fixing Bolt Yes
Q-factor (mm) 173