Updated April 2026
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Watch the complete unboxing and assembly guide for the Surface 604 Sunny Day cruiser eBike.
Your Sunny Day ships partially assembled. The video covers attaching the front wheel, handlebars, pedals, seat, and connecting the battery and display.
20-30 minutes with basic tools. All tools needed are included in the box.
If you run into any issues during assembly, contact our support team or visit your nearest dealer for professional assembly.
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