How to contact us.

For assistance, contact customer support using the email address or phone number shown above.

If your request concerns an order, include the order number and relevant product information.

What to include.

• Your order number where applicable.
• The name or email used for the order.
• The product involved.
• A clear description of the question or issue.
• Photos where relevant.

Payment security reminder.

Do not send full card numbers, card security codes, payment passwords or one-time authorization codes to customer support.

Product questions.

If you have a question about a bike stand, pump, multi-tool, basket, bag, saddle, grip, pedal, phone mount or another cycling accessory, review the relevant product page first.

Compatibility questions.

Where fit depends on bicycle dimensions or existing equipment, include any relevant measurements or details about the intended mounting area when contacting customer support.

Order questions.

Orders are generally processed within 2–4 business days. During busy periods, processing may take up to 5 business days.

Order changes.

Contact us as soon as possible if you need to request a change. Changes cannot be guaranteed once processing or fulfillment has begun.

Order cancellation.

Cancellation requests should be made as soon as possible. Cancellation cannot be guaranteed once processing or fulfillment has begun.

Shipping questions.

For U.S. destinations, standard transit is generally 10–15 business days after dispatch.

Damaged cycling accessories.

If a bag, basket, pump, stand, pedal, grip, saddle or another accessory arrives damaged, contact customer support with order details and photos where helpful.

Incorrect products.

If the product received does not match the item ordered, contact customer support and identify both products.

Incomplete orders.

If part of the order appears missing, review available tracking information and contact customer support if the shipment still appears incomplete.

Return requests.

Eligible return requests may be submitted within 180 days after confirmed delivery.

Contact customer support before sending anything back.

Return address notice.

The business address displayed on zervelna.com is not automatically a product-return warehouse. Only use the return destination confirmed by customer support.

Refund questions.

Approved refunds are generally processed within 5–10 business days after approval to the original payment method.

Payment questions.

Payment methods may include PayPal, Visa, Credit & Debit Cards, Apple Pay and Google Pay.

Ownership & Operation

Who owns and operates zervelna™?

zervelna™ is owned and operated by Hangzhou Yuze Chaoyi Health Technology Co., Ltd.

Hangzhou Yuze Chaoyi Health Technology Co., Ltd. operates zervelna.com and is responsible for the operation of the zervelna™ online store and its customer-service activities.

Owner / Representative: Luo Huanhuan

Business address.

Room 709, Building 2, Hengqi Business Center, Jianqiao Subdistrict, Shangcheng District, Hangzhou City, Zhejiang Province

This address is provided for company identification and is not automatically a return address.