DURA-ACE Bottom Bracket - Press Fit - HOLLOWTECH II - 86.5 mm shell width
With an advanced seal construction for smoother rotation, the DURA-ACE is still lightweight at 54 grams.
FEATURES
PRODUCT SPECIFICATIONS
| MODEL NO | SM-BB92-41B |
|---|---|
| SERIES | DURA-ACE R9100 Series |
| Average weight | 54 |
| HOLLOWTECH II bottom bracket|Press-Fit type | ✔ |
| Press-Fit bottom bracket shell width (mm)|86.5 | ✔ |
|---|---|
| Small ball bearing | ✔ |