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Brand: Shimano
Model: FC-7710
Series: DURA-ACE TRACK 7710 Series
Color: Silver
Average Weight: 566g (52T, 1/2 in x 1/8 in)
Splined Bottom Bracket Shell Width (mm): 70
BB-UN/ES Spindle Length (mm): Splined (Standard) 109.5
Chain Line (mm): 42.5
Compatible Bottom Bracket Type: OCTALINK
Recommended Bottom Bracket: Splined (Standard) BB-7710, BB-7700
Compatible Chain: 1/2 in x 1/8 in, 1/2 in x 3/32 in
Crank Length: 165mm / 170mm
Crank Arms / Chainring Cranks: 5
HOLLOWTECH Technology
HOLLOWTECH Chainring Cranks
OCTALINK
Optional Chain Guard: Not included / Impact Cover
BCD: 144
Splined Bottom Bracket Shell Width (mm): 68
Q-Factor (mm): 136.3
#Includes crank fixing bolts