Speed is in the details.
Shimano spared no detail when redesigning their Dura-Ace group, and the BB86/BB92 compatible press-fit bottom bracket got the star treatment as well. Compared to previous versions, it's both lighter and more efficient, while remaining an industry leader in weather resistance and durability.
Slightly smaller bearings allow for more efficient rolling while furthering weight reduction, and updated seals drop resistance by a claimed 50%, reducing effort required throughout the pedal stroke with no sacrifice in weather resistance.
The Shimano Dura-Ace BB92-41B Press Fit Bottom Bracket is compatible with BB86 / BB92 bottom bracket shells with 86.5 mm / 91.5 mm widths and 41 mm inner shell diameters. Compatible with the 24 mm spindles found on Hollowtech II cranks.
Ordered by Most Relevant First
Perfect fit for BB86 frame
The bottom bracket fit perfectly in my BB86 frame. Weighs 54.7 grams on my scale with all the green grease Shimano loaded it up with. Total width about 90mm, diameter that enters frame 41mm, interior diameter 24mm (fits newer Shimano road spindles).
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