Shimano 105 Di2 Shift Lever Hydraulic Brake 2x12s ST R7170 L Road Bike LEFT HAND
£139.49
Shimano 105 Di2 Shift Lever Hydraulic Brake ST R7170 L. When a different sprocket is selected at the rear, the front derailleur also moves if necessary to prevent chain rub. With Di2 technology, shifting is easy and precise.
