Shimano Dura Ace BB-R9100 Bottom Bracket 68mm English Thread

Product Description

Shimano Dura-Ace Road Performance

The Shimano Dura-Ace R9100 threaded bottom bracket is engineered for smooth rotation, low drag, and efficient power transfer. Designed specifically for Shimano HollowTech II road cranksets.

Advanced Bearing Performance

• Outboard bearing design for improved stiffness and efficiency
• Improved sealing designed to reduce drag
• Smooth and consistent pedalling performance

Precision Construction

• BSA English threaded cups
• 1.37" x 24 tpi threading
• 33.7mm cup diameter

Included Components

• Left and right hand cups
• Inner cover

Compatibility

• Compatible with Shimano HollowTech II road cranksets
• Fits 68mm threaded bottom bracket shells

Built for Road Riding

Ideal for performance road bikes where smooth rolling efficiency and reliable durability are essential.