Shimano SM-BB71-41B Ultegra 86.5mm Press Fit Bottom Bracket

Product Description

# Shimano SM-BB71-41B Ultegra Press Fit Bottom Bracket - 86.5mm The **Shimano SM-BB71-41B Ultegra** bottom bracket is a high-performance press-fit assembly designed for **HollowTech II road cranksets**. Built for durability and smooth pedalling, it’s maintenance-free and easy to install. ⚙️ **Key Features** - Ultegra-level press-fit bottom bracket assembly - Fibre reinforced polymer cups for strength & reliability - Sealed cups protect against dirt & water ingress - Maintenance-free design - Easy press-fit installation 📏 **Specifications** - Shell Width: **86.5mm** - Cup Diameter: **41mm** - Includes: Left & right cups, inner cover, O-rings - Compatibility: Shimano HollowTech II road cranks ✅ A **durable, low-maintenance bottom bracket** engineered for smooth and efficient performance.