BB Shimano Dura-Ace BB-9100 Hollowtech II English Black

Best of the best

System engineering at its peak.

With an advanced seal construction for smoother rotation and small ball bearings to minimize weight, the Shimano Dura-Ace bottom bracket is offers supremely reliable performance for miles and miles.

Key Features

• English threaded external bearing bottom bracket
• Aluminum adapter cups with cartridge bearings and inner cover
• Small ball bearing size for weight savings

Features

Shimano Dura-Ace

Shimano Dura-Ace is system engineering at its peak. Each of the components magnifies the qualities of the others for an unparalleled level of performance. Optimizing input to maximize output - that's how Dura-Ace achieves drivetrain supremacy.

Specifications