Whats the size of the shipping box? Tony September 17, 2018 21:24 Updated The shipping box size for the 20" wheeled folding bike is 34" x 14" x 28" The shipping box size for the 26" wheeled folding mountain bike is 54" x 10" x 30" Related articles Where do you ship to and how long does it take? Why is the saddle so uncomfortable on my bike? Do you have a retail store where I can test ride and buy your bike? How does your 30 day return policy really work? What is all this stuff in my box? Comments 0 comments Article is closed for comments.