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Hi! Thanks for reaching out to SWFT! Congratulations on your new ZIP purchase! The ZIP tires are 26x4" tires with a Butyl rubber inner tube with a Shrader Valve. Please let us know if you have any further questions or feedback. We will absolutely include these notes as further develop product moving forward.
Sorry, there was a problem. Please try again later.I called the company and they told me the tites DO contain inner-tubes. They also answered another question I had that they do, at some point in the future, plan to sell spare batteries.
Sorry, there was a problem. Please try again later.Tire/rim diameter is 20", are you sure inner tube is 26" x 4" or 20" x 4"??
Sorry, there was a problem. Please try again later.
