Shimano Dura-ace BB-7700

The Shimano Dura-Ace BB-7700 Bottom Bracket features precision-sealed cartridge bearings for smooth rotation and efficiency. Built for track and road riders seeking the best in drivetrain performance.

Key Features

• Sealed cartridge bottom bracket.

• Lightweight aluminum cups.

• Smooth, low-resistance bearings.

• Compatible with Dura-Ace track and road cranks.

• Long-lasting durability.