Welcome to Downtube Folding Bike! Shop securely on-line 24 hrs a day 7 days a week. View our new folding bike fitting instructions.
Please take a look at our low cost high quality folding bikes. Questions about our bikes? Call Dr. Yan, the designer, directly at 215-245-4032 or email him. Watch a video of Dr. Yan doing pull-ups with a lightweight mini folding bike on his legs.
Dr. Yan is a professor in Greensboro, NC email him if you are interested in meeting.