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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Pay in 4 interest-free payments of $5.06 Learn more
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
SPECIAL TECHNICAL REQUIREMENTS FOR ELECTRIC-ASSISTED BICYCLE In addition to meeting the technical requirements as the traditional bicycles, such as frame durability, wheel durability, handlebar fatigue performance and pedal wear resistance, electric-assisted bicycles also have a special requirements of power ratio between electric power and human power (hereinafter referred to as Power Ratio) requirements

The extremely resistant polyester fiber is woven tightly crosswise

Ergonomic backpack design with patented articulating harness increases range of motion, reduces fatigue, and improves productivity

I made this short video that shows how to measure a head circumference

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