Kit conversione motore bici elettrica ruota anteriore 20 pollici mozzo motore ebike 48 V
Motor Specification: High Motor Efficiency: max 88.7% (Save Power) Torque: max torque 35 N.m. RPM: max 420 Speed: 0-40km/h Support standard 6-hole type disc brake Front Integral Wheel Weight:8.5kg Available Wheel Tire Size: 20''x2.125.