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shimano ultegra di2 st-r8060 for tt-handle w/electric wire for 11 Speed
- Keep firm when shifting
- Reduced drag through a more aerodynamic design
- Single button on each side of the shift lever only works with Synchronized Shift
- Series color
- Eliminated the switch box of ST-6871 to make the design smaller and shorter
- Intuitive shifting control
- 2x11-speed