Flipsky Z9 Bicycle Speed Booster Kit for Increased Speed With 48V 5.2AH / 9AH Battery 4.8 Inches propeller Waterproof grade :IP58

Waterproof grade :IP58

Max spin speed(RPM): 8064

be more convenient for 4WD set up

Motor Power: 2450W*2 (flipsky 6354)

Lead wire/AWG： 14

Flipsky Z9 Bicycle Speed Booster Kit for Increased Speed With 48V 5.2AH / 9AH Battery 4.8 Inches propeller Waterproof grade :IP58Notes: Connect the charger to the battery before plugging into the power. Avoid long term unused and discharged. Store in dry, ventilated areas. Keep away from extreme temperatures or fire. Proper use and maintenance can lengthen the battery life span. Installation Condition The front wheel is spoke wheel. The front forks are paralleled on the left and right. Wheel Size: 14 28 Inches The motor chain has three types: 12 14 18 tooth, matching tires of