The Ultegra 6700’s wider linkage has two points of contact, versus the previous single contact point, which makes the derailleur stiffer, and shifting at the front is improved as a result. The spring tension is lower too, so shifts are easier at the lever and more positive at the business end.
• 10-speed compatibility
• Double chainring compatible
• 56-tooth max chainring
• Weight: 89 grams (braze-on)
Brand: Shimano