Flipsky Z9 Bicycle Speed Booster Kit for Increased Speed With 48V 5.2AH / 9AH Battery
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Flipsky Z9 Bicycle Speed Booster Kit for Increased Speed With 48V 5.2AH / 9AH Battery

$259.00
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Notes: 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 different size. DO NOT use a large chain wheel with large-sized tire, or it cannot brake under high speed and cause injury. ·Note:1. Affirm the diameter of front fork is of 20mm - 40mm. Using 20mm - 30mm with small-sized fastener, 30mm - 40mm with large-sized fastener. 2. The product cannot be installed if the front fork is concave and makes the front fork and the spokes too close. The chain will rub against the front fork. 3. The product cannot be installed if the thickness of the front fork is inconsistent. Electri

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