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The clamps are suitable for 3 handlebar sizes; 31.8mm, 25.4mm and 22.2mm. There are
spacer rings for 25.4mm and 22.2mm handlebars. The spacer rings must be inserted into the
clamps, as shown by the green arrow below.
Output wires
1. Red wire:
Anode(24v/36v)
2. Blue wire:
Power cord to the controller
3. Black wire: GND
4. Green wire: RxD (controller -> display)
5. Yellow wire: TxD (display -> controller)