YinZhiBoo Refund & ReturnPolicy

We hope you are completely satisfied with your purchase of Hiknight products. If, for any reason, you are not satisfied, please review the following Return and Refund Policy.

 

Note: This policy applies only to the original consumer who purchased the product from an authorized YinZhiBoo reseller.

If you are not the original purchaser (e.g., a second-hand user), or if you have modified the product or replaced its components yourself, you are not eligible for a return or refund under this policy.

Cancellation Policy：

A:Before shiping：

1:You can cancel your order if it hasn’t left our warehouse, get in touch with our customer service mike@yinzhiboobike.com for an order cancellation.

 B:After Shippment:  
1:$230 shipping fee will be deducted per e-bike

2：Unauthorized refusal or interception of a shipment will be treated as a delivered order, and applicable fees will be charged accordingly.

Return Policy (Non-Quality Issues)

1：Return requests must be submitted within 30 calendar days of placing the order.

2：Returns must be made using the original packaging and include all accessories (battery, charger, keys, tools, etc.).

3：Returns will not be accepted after 30 days.

4：Return requests must be authorized via mike@yinzhiboobike.com before being processed.

5：Refunds will be processed within 5–10 business days after the inspection is completed.

Return Shipping Costs (Non-Quality Issues)

E-bike：The buyer is responsible for return shipping costs ($200–$300) and a 50% restocking fee.

Battery:The buyer is responsible for return shipping costs ($50–$100)

1：Return shipping costs are borne by the customer and are non-refundable.

2：If the customer returns the item independently, YinZ assumes no responsibility for any loss and may charge a restocking fee of up to 20%.

Exchange Policy (No unboxing)

1:Same model, different color: $200 per unit
2:Different model: $200 per unit + price difference

3:Over 30 days: no exchanges accepted.

Refund Summary

Situation                                                                            Policy Summary

Wrong item shipped                                                          Free exchange or full refund

Quality issues                                                                      Full or partial refund accepted

Cancel before shipping                                                        5% cancellation fee deducted

Missing/damaged parts                                                      Free reship or partial refund

Cancel/refuse after shipping                                             $250-300 shipping fee per bike deducted

 

Quality Issues After 30 Days

Returns are not accepted after 30 days, but:

• Partial refund possible
• Free replacement parts
• Please provide defect videos/photos to mike@yinzhiboobike.com

If the issue cannot be resolved remotely, local repair is recommended. Compensation is available under these conditions:

• One free replacement per part only
• Official digital/printed invoice required (handwritten not accepted)

Contact Us

For all returns, refunds, or warranty inquiries:

Email: mike@yinzhiboobike.com
Return Address:
YinZhiBoo Bike
528 Spanish Ln,

Walnut,CA 91789

Attn: Mike
Phone: （217）520-7710