Shimano Pressfit BB86 Bottom Bracket (SM-BB92-41B)

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.

Specifications
MODEL NO: SM-BB92-41B
Bottom bracket with small ball bearings for lightweight
Advanced seal construction for smoother rotation

Mfr Claimed Weight
54g