Processing and customization No Model CF-Double return zero meter Material Metal size Shell diameter: 60mm Height: 55mm (mm) Weight 280 (kg) Applicable models Various models of motorcycle Product name New product Motorcycle modified instrument/pointer odometer/kilometer / speedometer product size shell diameter: 60mm height: 55mm product weight 280g input voltage 12 v shell material iron plating measuring range 0 – 140 km / h applicable models suitable for all motorcycles with 12V battery voltage wiring method black wire grounding The iron is the negative pole, and the red line can be connected to the positive pole of the night light line/instrument light line