ST801 Specifications: Materials: 1) Frame material: heat treated aluminum, and high strength glass fiber reinforced engineering polymer constitute the majority of the frame 2) Fold mechanism: in under 10 seconds with a 3 click telescopic mechanism 3) Easy to ride: the use of a dynamically geared twin chain system enables users to pedal normally and retain their balance. The high performance 90PSI pneumatic tires allow for a smooth and comfortable ride on most hard surfaces. The size of the wheels is of course a key factor in making the bike so light weight and compact
