- The heart and brain of the system: it handles the communication between derailleur and shifters, system diagnostic, zero setting and ride setting.
- Dual ANT+ and BlueTooth LE antennas allow communication with most GPS computers & smart phones
- Synchro Shift option to enable automatic front shifting when reaching specific ratios
- Easy access to charging port
- IP67 waterproof rating
- Weight: 33g (including cables)
Specs
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