Payment and Shipping​​


We accept Paypal payments only.
Paypal - 5% fee


QuarkBoost E Bike tuning Box is shipped in the EU, delivery within 1 week.
Shipping is free!

Return and replacement

If you wish to return an item, please contact the sales representative on the address, specify the number of your order and describe your problem briefly. Sales representative will send you additional info on how to solve the problem or let you know that the item can be returned back.

Return address:
Codelli d.o.o.
Levstikova ulica 13
2000 Maribor

Please, do not send the items on any other address. In the event of sending your package to any other address, your complaint does not have to be handled.

An international package must have the designation: “LOW VALUE GIFT”.

Keep the tracking number for any potential tracking of your package.


If your item was damaged upon delivery, you must inform us within 7 calendar days of receipt at your address. You can use the above email address to let us know of any damages (with photos). Once sent back to us, we will inspect the item and send out a replacement if applicable.


What to do with faulty goods

If you receive a damaged item, please take photos right away. Ensure that the goods are packaged safely and securely for their journey back to us, and once agreed with our customer service, send the goods back to us for inspection.


If a refund has been requested, upon the agreed return of an item to our address, a member of our staff will inspect the item to ensure it meets the above conditions. If approved during the inspection, a refund will be issued back to you via your initial payment method if possible.

Please note:
Return costs incurred by the customer are non-refundable unless the item arrived damaged.

Any Questions ?

If you have any questions let us know and we will contact you asap.

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