The Shimano Pres Fit SMBB71-41B Road Bottom Bracket is a press-fit BB. It is made for Shimano Hollowtech II cranks. It has large bearings which make it durable and easy to install. The sealed cups keep out dirt and water extending the life of the BB and making it maintenance free. The fibre reinforced polymer construction ensures low frame noise and damage. Key Features: - It is made for road bikes- The cups are made from fibre reinforced polymer material- It has sealed cups- It is compatible with 86.5mm shells- It has a 41mm cup diameter- It is maintenance-free- It has a 24 mm axle diameter

NA