SHIMANO Dura-Ace Press Fit Bottom Bracket

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.

• Bottom bracket with small ball bearings for lightweight
• Advanced seal construction for smoother rotation
• Weight: 54g