• Hollowtech II bottom bracket with small ball bearings for lightweight
• Advanced seal construction for smoother rotation
• Available in 68mm BSA or 70mm Italian
• Compatible with all road Hollowtech II cranks
• Hollowtech II bottom bracket with small ball bearings for lightweight
• Advanced seal construction for smoother rotation
• Available in 68mm BSA or 70mm Italian
• Compatible with all road Hollowtech II cranks