Name * Email address * Details of your enquiry * Please make a selection How to use the app or device Connect with your device Défauts du dispositif Orders, Shipping and Cancellations Returns and Exchanges Feedback and requests Sales and partnerships Others Order, Shipping, and Cancellation Details Please make a selection Cancellation of orders and pre-orders Unable to receive order confirmation email Change of contact or shipping address Change order details Forgot to enter discount code Request for receipt Others Reason for Cancellation Please make a selection Purchased from another site or distributor I no longer ride a bicycle I ride my bicycle less often Purchased another product Purchased by mistake Other What would you like to do?
Returns and exchanges are subject to initial defects, malfunctions, or damage during the warranty period and under proper use in accordance with the Important Information and Online Manual.
We do not accept returns or exchanges for customer convenience. *Only items purchased through the Official Store may be returned for any reason within 30 days of receipt. Please select the Apply for 30-Day Satisfaction Guarantee.
The warranty period is one year. Replacement items are warranted for the remainder of this warranty or 90 days, whichever is longer.
Device Status Please make a selection Pairing button does not work (LED does not blink when button is pressed) No alarm sound or low sound LEDs are constantly lit (blue, red, purple) Unable to charge the device (LED does not light up when charging) Even when fully charged (blue LED lit), the remaining battery charge displayed in the application appears low. Battery runs down fast. Frequent false positives Operation stops (periodic transmission stops) Cracked or peeling surface Others Please provide a detailed description of the device status. Has your device been charged since purchase? Is the device firmware up-to-date?
The latest firmware version can be found
Have you tried turning off/on the Bluetooth settings on your smartphone? Recheck the charging status.
Replace the USB cable / charging adapter / if you are using a mobile battery, replace it with an outlet type
How to exchange
We will send the replacement product to the address you entered.
We will also send you a shipping label, so please use the label to return the defective item.
How to Return
After your application, we will contact you with the return address and refund number. Please wait for our reply.
Are you purchasing from the official store?
*This warranty does not apply to purchases made from sources other than the official store (retailers and other online stores). Please contact the store where you purchased the product.
Is it within 30 days from the date of receipt of the product?
*We will accept returns for any reason within 30 days of receipt of the product.
Do you have the original package, all included parts except for the stickers, and the instruction manual?
*If the item is returned in an incomplete condition, we may not be able to provide a full refund or we may refuse the return itself.
Choose your refund method
*If you purchased from our official store, please provide us with your 4-digit order number. We will refund you using the payment method you used at the time of purchase. For purchases made outside of the official store, refunds will be issued by the store of purchase.
Order number The email address you entered when you placed your order (if different from the email address above) Phone number Name of the store where you purchased the product Details of your enquiry（*Please fill in your details to help us solve your problem as soon as possible.）