Brand: SHIMANO

• Type: Hollowtech II external bottom bracket
• Compatibility: Shimano Hollowtech II cranksets (road, MTB, gravel depending on model)
• Material: Durable steel bearing cups with sealed cartridge bearings
• Finish: Black corrosion-resistant coating
• Weight: Lightweight and optimized for durability
• Hardware: Includes right and left threaded cups with internal spacers (varies by frame type)
• Installation: External threaded mounting for BSA 68/73 mm bottom bracket shells
• Design: Sealed bearing system for smooth pedaling and improved water/dirt resistance
• Use Case: Ideal for MTB and mixed-terrain bikes needing reliable, low-maintenance drivetrain performance