The Shimano® Ultegra 6600 series built a reputation as solid performers. The new 6700 series improves on that tradition, with components that are lighter still.
- Braze-on mounting.
- Wide inner link design.
- Compatible with 10-speed cassettes.
- Top gear range is 50 to 56T.
- Maximum capacity is 16T.
- Chain stay angle is 61-66 degrees.
- Chain line 43.5mm.
Braze-on mounting uses fittings permanently mounted to the frame. Collar mounted derailleurs secure around the seat tube with a clamp. Direct mount are fastened to the chainstay.
A double is ideal for cranksets with two chainrings. A triple is designed for cranksets with two or three chainrings.
The maximum number of teeth difference between the smallest and largest chainrings (front derailleur) or cogs (rear derailleur).