BB-7700 Bottom Bracket

The Shimano Dura-Ace BB-7700 Bottom Bracket is crafted for cyclists who demand precision and performance. Designed for the road, this bottom bracket is part of the Octalink splined system, ensuring a secure and efficient connection.

Key Features

• Precision engineered for the Dura-Ace 7700 series, ideal for road cycling.
• Features a 22 mm diameter chrome-moly hollow pipe billet axle, reducing overall weight.
• Splined interface offers a more rigid crank assembly compared to tapered designs.
• Compound bearing structure with ball and needle bearings supports the spindle, minimising flex.
• Maintenance-free sealed cartridge design prevents corrosion and simplifies installation.
• Average weight of 173 g, making it lightweight yet durable.

The Shimano Dura-Ace BB-7700 Bottom Bracket combines advanced engineering with practical features, making it a reliable choice for serious cyclists. Its design ensures longevity and ease of use, allowing you to focus on your ride.