Shimano Ultegra SM-BB72-41 PressFit Bottom Bracket – 86.5 mm, HollowTech II (SM-BB72-41B)
Product Description
The Shimano Ultegra SM-BB72-41 is a PressFit bottom bracket designed for road bicycles and Shimano HollowTech II cranksets with a 24 mm integrated spindle.
The bottom bracket is designed for an 86.5 mm bottom bracket shell width and a 41 mm shell diameter. Its PressFit design enables straightforward and precise installation while providing reliable and durable operation for Shimano road drivetrain systems.
Key Features
• Shimano Ultegra series
• PressFit design for road bicycles
• Designed for Shimano HollowTech II systems
• 86.5 mm bottom bracket shell width
• 41 mm bottom bracket shell diameter
• For 24 mm integrated spindles
• Low rolling resistance
• Durable and reliable construction
• Lightweight design, only 64 g
Technical Specifications
| Specification | Details |
|---|
| Brand | Shimano |
| Type | Ultegra SM-BB72-41 |
| Part Number | SM-BB72-41B |
| System | PressFit |
| Standard | PF41/86.5 mm |
| Bottom Bracket Shell Width | 86.5 mm |
| Bottom Bracket Shell Diameter | 41 mm |
| Spindle | Integrated 24 mm / 24 mm |
| System Compatibility | Shimano HollowTech II |
| Weight | 64 g |
Compatible Cranksets
The Shimano SM-BB72-41 bottom bracket is compatible with the following Shimano road cranksets:
• Shimano Ultegra FC-6800
• Shimano 105 FC-5800
• Shimano FC-RS500
Applications
The Shimano Ultegra SM-BB72-41 bottom bracket is designed for road bicycles using a PF41 / 86.5 mm PressFit bottom bracket shell and a Shimano HollowTech II crankset with a 24 mm integrated spindle.
The PressFit design makes it suitable for original bottom bracket replacement, maintenance, or drivetrain servicing when the frame's bottom bracket shell dimensions and standard are compatible.
References
SM-BB72-41B – Shimano Ultegra SM-BB72-41 PressFit Bottom Bracket, PF41/86.5 mm, HollowTech II
-2020-NO-550x550w.jpg "Shimano bottom bracket Ultegra SM-BB72-41 86.5 mm, PressFit, HollowTech II, SM-BB72-41B")
