Shimano Dura-Ace SM-BB92-41B

The Shimano Dura-Ace SM-BB92-41B is a high-performance press-fit bottom bracket designed for road cycling applications.

It facilitates the installation of Shimano’s Hollowtech II crank sets into frames with BB86 bottom bracket shells.

The Shimano Dura-Ace SM-BB92-41B bottom bracket is engineered to provide reliable performance and durability for road cyclists, ensuring efficient power transfer and smooth operation when paired with compatible Shimano cranksets.

• Shell Compatibility: Designed for frames with a bottom bracket shell width of 86.5mm and an internal diameter of 41mm.
• Spindle Interface: Compatible with Shimano’s Hollowtech II cranksets, which feature a 24mm spindle diameter.
• Bearings: Equipped with small ball bearings and an advanced seal construction, enhancing smoothness and reducing rotational friction.
• Material: Features composite cups housing steel cartridge bearings, balancing durability and weight.