About Shimano Dura-Ace SM-BB92-41B 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 model is still lightweight at 54 grams.

Features
Bottom bracket with small ball bearings for lightweight package

Advanced seal construction for smoother rotation

Specifications
Model No: SM-BB92-41B

Series: DURA-ACE R9100 Series

Average Weight: 54g

Press-Fit bottom bracket shell width 86.5mm: Yes

HOLLOWTECH II BB Type: Press-Fit

Press-Fit BB Shell Width: 86mm

Small ball bearing: Yes

About Shimano
Shimano is a Japanese multinational manufacturer founded in 1921 by Shozaburo Shimano. They are well known as the largest bicycle component manufacturer in the world with their main manufacturing plants in Kunshan, China; Malaysia; and Singapore. Along with cycling components they also produce fishing tackle, and rowing equipment.