With the Di 2 technology of the Shimano Ultegra ST-6770 shifting is easy & precise
- just a light touch as soft as a mouse click is sufficient for the front or rear derailleur to instantaneously select the correct gear. The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates corrosion & stretching but provides effortless gear shifts. The Derailleur contains a saver (fuse) function where the inner structure is protected from strong impacts. Key
Features: Buttons are located in a near identical place to the positions you'd assume for shifting using a mechanical Shimano STI Brake lever pivot is positioned to be used with super SLR brake callipers increase power providing excellent ergonomics when riding on the hoods Finely tuneable reach adjusters for the levers enable custom fitment for all hands Levers are supplied without electrical cables as these need to be ordered separately to suit For use with E-tube electric cables Comes complete with SLR brake cable set Weight: 313g a pair