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Return & Warranty

A:  We provide 1-year warranty. Please note: the warranty only covers defects in manufacturing, not damage from crashes. Check out the C3STROM e-bike for more warranty terms here.

A: We stand by the quality of our products and do not accept returns on used or opened items. Returns are processed on a case-by-case basis; at some point, we will need to charge a small fee as handling fee. For more details please check here.

A: C3STROM is responsible for the quality of each product and for supporting his customers. So if you have any after-sales questions, please contact our team first

A: We will process it for you as soon as possible, and your payment will be returned to you via the original method of payment you used. Please look at the policies of your payment institution to know how long it will take for the refund to arrive.

A: We can currently provide in-person after-sales service for our customers in the LA area. For other regions, we can provide online support.


Our stylish, extremely speedable ASTRO ebikes are sure-fire hits for everyone on your list.