Shimano Sm-Bb7241b

Shimano Ultegra - The true spirit of sports! The Ultegra series is "proven by professionals," as it is derived directly from the Dura Ace group. The technologies used in the new Ultegra 6800, such as the 11-speed drivetrain, newly designed brakes, and new chain refinement, represent state-of-the-art technology that has been tested in professional racing.

Significant advantages:

• Comfort, especially on long rides, with enhanced control
• Ergonomic grip shape for easier, faster, and more precise shifting with less effort
• Rider Tuned 11-speed shifting system for versatile use
• New 11-speed drivetrain increases gear options for various riding scenarios
• Faster riding with better control, particularly when gripping from above
• Brake force increased by 10% for more control
• Efficient conversion of effort into forward motion
• High rotational efficiency ensures high power output

Intended use: Road bike
Design: Hollow axle
Installation width: 86.5 mm
Frame compatibility: BB86 bottom bracket
Design: Pressed bearing cups axle
Axle interface: 24 mm.