Features1Two types for you to choose: installed on brake disc(front or rear) or handlebar position. 2It can be applied for any bike that has mechanical brake and use brake line. 3Very simple to install and easy to use only if you know the correct installation procedures. 41.8m cable meet your different installation needs. 5The sensor cable is anti-aging, sensitive and stable, safe and durable for long time use.SpecificationFeatures:Two types for you to choose: installed on brake disc(front or rear) or handlebar position.It can be applied for any bike that has mechanical brake and use brake line.Very simple to install and easy to use only if you know the correct installation procedures.1.8m cable meet your different installation needs.The sensor cable is anti-aging, sensitive and stable, safe and durable for long time use.Nice accessory for your electric bikes.Specification: Material: Plastic Color: Black Installation Position: Handlebar, Brake Disc(Optional) 3 Wires: Cut off power signal(White), +5V(Red), GND(Black) Cable Length: Approx. 1.5m / 4.9ft Weight: Approx. 41gPacking List: 1 x Brake Sensor Cable2 x ConnectorsPackage List