Shimano Ultegra - The true spirit of sport! The Ultegra series is "professionally tested" because it is derived directly from the Dura Ace group. The technologies used in the new Ultegra 6800, such as the 11-speed drive, newly designed brakes, and new chain refinement, stand for state-of-the-art technology proven in professional races. Significant advantages include:

• Comfort, especially on long rides, with more control
• Ergonomic grip shape for easier, faster, and more precise shifting with less operator force
• Rider Tuned 11-speed shifting system for universal use
• New 11-speed drive increases the shifting selection for different riding scenarios
• Riding faster with better control, especially when gripping from above
• Brake force increased by 10% for more control
• Efficient conversion of power input into propulsion
• High rotational efficiency ensures high power output
• Material: aluminium.