Shimano Shimano UN55 Square Taper Bottom Bracket Italian Thread 115mm

Information

The Shimano UN55 bottom bracket is designed for Italian-threaded frames and features a 115mm spindle, offering smooth and reliable performance. This square taper bottom bracket is built for durability and is ideal for road bikes, providing efficient power transfer with its sealed cartridge design.

• Compatible with Italian-threaded bottom bracket shells
• 115mm spindle length for square taper cranksets
• Sealed cartridge for low-maintenance durability
• Smooth performance for efficient power transfer
• Ideal for road bikes