SHIMANO 10 Speed Ultegra ST-6770 Di2 Shifter/Brake Lever Set (Double)
Super stress free operation, thanks to Di2 technology. Digital operation reduces the chance of human error and continuous durability. Ergonomic controllability with Di2 technology for the next generation of riding experience. Optimum ergonomics contributes to better steering control. Auto trim system makes it even easier to ride. Diagnosable system works on a PC for maintenance.
