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Wiring harness

Click the button for one second and the system enters adjustment mode, making it easy to adjust the derailleurs on the fly. That's great for those who switch wheels or cassettes frequently. Photo: Caley Fretz

Click the button for one second and the system enters adjustment mode, making it easy to adjust the derailleurs on the fly. That’s great for those who switch wheels or cassettes frequently. Photo: Caley Fretz