PRODUCT SPECIFICATIONS
MODEL NO FC-7710
SERIES DURA-ACE TRACK 7710 Series
Color Series color
Average weight 566 g (52T, 1/2 inch x 1/8 inch)
Threaded BB shell width_70mm ✔
Axle length of BB-UN/ ES (mm)_Threaded (normal) 109.5
Chain line (mm) 42.5
Chain ring combination 45T to 55T (1/2 inch x 1/8 inch, 1/2 inch x 3/32 inch)
Compatible BB type_Octalink ✔
Compatible chain 1/2 inch x 1/8 inch, 1/2 inch x 3/32 inch
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 ✔
Gear arms 5
HOLLOWTECH Technology ✔
OCTALINK technology ✔
Optional chain guard_Without chain / bash guard ✔
P.C.D. (mm) 144
Recommended BB_Threaded (normal) BB-7710, BB-7700
Threaded BB shell width_68mm ✔
Q-factor (mm) 136.3