DESCRIPTION
Model: SM-BB72-41B
Type: Press-Fit
Shell Width: 86.5mm
Axle Diameter: 24mm (Hollowtech II)
Weight: approx 69g
Compatible for cranket model:
FC-R7100,FC-R8100,FC-R9200,FC-RS520...
Sealed cups keep out dirt and water
Maintenance free
High quality sealed bearing
With reliable SHIMANO bearings and seals
ULTEGRA bottom bracket has a long service life