Here is another discounted item in our January Offer:
Bluetooth converter and shunt are optional.
1 x Kelly KLS7230S brushless motor controller with extra long wires (useful for e-bike building), without lug terminals;
1 x Function cable;
1 x USB to RS232 connector;
2 x Diode;
1 x Pre-charge resistor;
1 x Set of connectors.
Max. Supported Battery Current: 150 A
Max. Phase Current: 300 A
Max. Voltage: 90 V
Motor Temperature Sensor: Yes (KTY83/122)
Regenerative Braking: Yes (can be controlled by left hand thumb operated regen lever)
Weight: 0.6 kg
Dimensions (l,w,h): 148 x 123 x 60 mm
Read more here.