PRODUCT SPECIFICATIONS

MODEL NO FC-M171
SERIES SHIMANO
Color 4 color variations
Remarks SHIMANO logo
   
AllBrandCommon BikeType MTB
Axle length of BB-UN/ ES (mm)_Threaded (chain case) D-NL K
Axle length of BB-UN/ ES (mm)_Threaded (normal) D-NL
Chain case compatible
Chain line (mm) 47.5 / 47.5+t
Chain ring combination 48
Compatible BB type_Square
Compatible BB type Square
Compatible chain HG for 8-speed, HG for 7-speed
Crank Arm Length 170mm, 175mm
Crank arm length (mm)_165.0 X*
Crank arm length (mm)_170.0
Crank arm length (mm)_175.0
Gear arms 4
Optional chain guard_With chain guard
Optional chain guard_Without chain / bash guard
Optional Chain Guard With chain guardWithout chain / bash guard
Recommended BB_Threaded (chain case) BB-UN100-K
Recommended BB_Threaded (normal) BB-UN100
Threaded BB shell width_68mm
Threaded BB shell width_73mm
Threaded BB Shell Width 68mm, 73mm
Crank arm fixing bolt_Without
Q-factor (mm) 1805