The Shimano SM-BB92-41B is a press-fit Hollowtech II bottom bracket for 86.5mm wide, 41mm diameter road frame shells.

• Press Fit BB86 standard: 86.5mm shell width, 41mm shell diameter
• For Hollowtech II road cranks with a 24mm spindle, including Dura-Ace FC-R9200/FC-R9100/FC-9000
• Lightweight resin bearing cups with small steel ball bearings
• Approx. 54g
• Includes right and left bearing cups with bearings and centre sleeve
• Installed with Shimano TL-BB12 (removal TL-BB13), sold separately