Hollowtech II is using 24 mm axle and bearings. Shimano made the decision to adopt the 24 mm diameter axle and bearings to provide the best balance of rotating performance / stiffness / strength / sealing / weight in Shimano Quality.
FEATURES:
- Fits Shimano Hollowtech II Cranksets
- New seal construction
- BB Shell Width: 68mm English, or 70mm Italian
- BB/Frame Interface: choose; English, or Italian
- Bottom Bracket Shell I.D.: 1.37" (English)
- Spindle Interface Type: Shimano Hollowtech II
- Weight: 73g.
- Color: Silver
PRODUCT SPECIFICATIONS
MODEL NO | BB-RS500 |
---|---|
SERIES | SORA R3000 Series |
Average weight | 92 |
Threaded BB shell width_70mm | ✔ |
HOLLOWTECH II BB_Threaded BB type | ✔ |
---|---|
Threaded BB shell width_68mm | ✔ |