The Ultegra 6700 groupset uses trickle down technology from the Dura-Ace 7900 groupset, but at a lower price.

Key Features:

• Lightweight 10-speed cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes
• Hyperglide sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear
• Wide gear range to meet the demands of all types of rider
• Weight 208 grams (11-23 teeth)