曲柄组 (3x8/7速)

TOURNEY_A070_m

FC-A073

TOURNEY_A070_m

FC-A073

曲柄组 (3x8/7速)

  • FEATURE
    • DUAL SIS(双SIS)
    • SG-X 链轮片
    • 可与SHIMANO公路8/7速系统互换
    • 165mm, 170mm曲柄臂长度可选
    • BB-UN26
    • 50-39-30T, 链盖
    BENEFIT
    • 轻操作,顺畅变速

相关技术

产品规格

型号 FC-A073
系列 SHIMANO TOURNEY A070 Series
Color Series color, -
Threaded BB shell width_70mm X
Axle length of BB-UN/ ES (mm)_Threaded (normal) LL113
Chain line (mm) 45
Chain ring combination 50-39-30T
Compatible BB type_Square X
Compatible chain HG
Crank arm length (mm)_165.0 X
Crank arm length (mm)_170.0 X
Gear arms 5
Optional chain guard_With bash guard X
Optional chain guard_Without chain / bash guard X
P.C.D. (mm) Riveted
Rear speeds 7/8
Recommended BB_Threaded (normal) BB-UN26
Threaded BB shell width_68mm X
Crank arm fixing bolt_Without X
Q-factor (mm) 171.5