TECHNOLOGIES
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 |
SERIES LINE-UP
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Bottom Bracket BB-7700
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Bottom Bracket BB-7710
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Hub HB-7600
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Hub HB-7710
REPLACEMENT PARTS
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Chainring Chainring 55T（1/2″×3/32″）for FC-7710
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Chainring Chainring 54T（1/2″×3/32″）for FC-7710
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Chainring Chainring 53T（1/2″×3/32″）for FC-7710
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Chainring Chainring 53T（1/2″×1/8″） NJS for FC-7710
