FC-7710
FC-7710
PRODUCT SPECIFICATIONS
| MODEL NO | FC-7710 |
|---|---|
| SERIES | DURA-ACE TRACK 7710 Series |
| Color | Series color | Series color |
| Average weight | 566 (52T, 1/2 inch x 1/8 inch) |
| Compatible chain | 1/2 x 1/8 |
|---|---|
| Chain line (mm) | 42.5 - 42.5 |
| P.C.D. left / right (mm) | 144 |
| P.C.D. (mm) | 144 - 144 |
| Spider/gear arms | 5 |
| Chainring combination | 45T to 55T (1/2 x 1/8 | 45T to 55T (1/2 x 1/8, 1/2 x 3/32) |
| Q-factor (mm) | 136.3 |
| Crank arm length (mm)|165 | ✔ |
| Crank arm length (mm)|167.5 | ✔ |
| Crank arm length (mm)|170 | ✔ |
| Crank arm length (mm)|172.5 | ✔ |
| Crank arm length (mm)|175 | ✔ |
| Optional chain guard|Without chain/bash guard | ✔ |
| HOLLOWTECH crank arm | ✔ |
| OCTALINK | ✔ |
| Compatible bottom bracket type|OCTALINK | ✔ |
| Recommended bottom bracket|Threaded (normal) | BB-7710, BB-7700 | BB-7710 |
| Axle length of BB-UN/ES (mm)|Threaded (normal) | 109.5 | 109.5 |
| Threaded bottom bracket shell width (mm)|68 | ✔ |
| Threaded bottom bracket shell width (mm)|70 | ✔ |
| Crank fixing screw included | ✔ |
