Shimano SM-BB72-41B

The Shimano SM-BB72-41B press-fit bottom bracket is engineered to provide reliable performance and durability for road cycling enthusiasts.

Its design ensures efficient power transfer and smooth operation when paired with compatible Shimano crank sets.

The Shimano SM-BB72-41B is a press-fit bottom bracket designed for road cycling applications.

It enables the installation of Shimano’s Hollowtech II cranksets with a 24mm spindle diameter into frames with specific bottom bracket shell dimensions.

• Type: Press-Fit
• Shell Width Compatibility: Designed for frames with a bottom bracket shell width of 86.5mm.
• Shell Diameter: Compatible with frames featuring a bottom bracket shell internal diameter of 41mm.
• Spindle Interface: Compatible with Shimano’s Hollowtech II cranksets, which have a 24mm spindle diameter.
• Bearings: Equipped with small ball bearings to reduce weight while maintaining smooth operation.
• Material: Cups are made from fibre-reinforced polymer, which aids in easy press-fit installation and reduces the risk of frame noise and damage.
• Weight: Approximately 69 grams.