Shimano Dura-Ace SM-BB92-41B Hollowtech II Press Fit Bottom Bracket

Shimano Dura-Ace SM-BB92-41B Hollowtech II Press Fit Bottom Bracket

With an advanced seal construction for smoother rotation, the Dura-Ace is still lightweight at 54 grams. Shimano precisely engineers their highest quality steel ball bearings for this unit and with the seal effectiveness improved, infiltration and corrosion are incredibly unlikely, even with regular bike cleanings during the rainy seasons or during cyclocross.

• Model no: SM-BB92-41B
• Series: Dura-Ace R9100
• Weight: 54g
• Discipline: Road
• Press-fit bottom bracket shell width: 86.5mm
• Hollowtech II bottom bracket type: Press-fit
• Press-fit bottom bracket shell width: 86.5mm
• Bottom bracket with small ball bearings for lightweight
• Advance seal construction for smoother duration
• Fit for Shimano or crank with a 24mm spindle

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