| HOLLOWTECH II Technology |
✔ |
| 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 BB type |
OCTALINK |
| Compatible chain |
1/2 inch x 1/8 inch, 1/2 inch x 3/32 inch |
| Crank Arm Length |
165 mm, 167.5 mm, 170 mm, 172.5 mm, 175 mm |
| 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 |
✔ |
| Optional Chain Guard |
Without chain guard |
| P.C.D. (mm) |
144 |
| Recommended BB_Threaded (normal) |
BB-7710, BB-7700 |
| Technology |
HOLLOWTECH BB, HOLLOWTECH II |
| Threaded BB shell width_68mm |
✔ |
| Threaded BB Shell Width |
68 mm, 70 mm |
| Includes Crank Arm Fixing Bolt |
Yes |
| Q-factor (mm) |
136.3 |
