To get the greatest performance out of your Shimano crankset, you are going to need a genuine Shimano bottom bracket. Shimano SM-BB92-41B bottom bracket fits road frames with a 86.5mm shell and are designed for crank spindles of 24mm diameters.
- Lightweight press-fit design
- For use with 24mm crank spindle
- Frame ID: 41mm
- Fits 86.5mm PF bb shells on road bikes
- Weight 58g