Photo 1 of JFOYH 4-Pistons E-Bike Hydraulic Disc Brakes Set for Elecric Bike with Power-Off Sensor, Ebike Hydraulic Brake Upgrade kit with 2-PIN Power-Off Sensor Male Connector(No Rotors)

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Photo 1 of JFOYH 4-Pistons E-Bike Hydraulic Disc Brakes Set for Elecric Bike with Power-Off Sensor, Ebike Hydraulic Brake Upgrade kit with 2-PIN Power-Off Sensor Male Connector(No Rotors)Photo 2 of JFOYH 4-Pistons E-Bike Hydraulic Disc Brakes Set for Elecric Bike with Power-Off Sensor, Ebike Hydraulic Brake Upgrade kit with 2-PIN Power-Off Sensor Male Connector(No Rotors)