The $300 A-Bike utilises automotive grade, engineering polymers for its structural components, saddle and handlebars and has a level of stiffness, fatigue and impact resistance comparable with aero-grade aluminium. By using these new materials, the A-bike?s weight has been reduced to just 5.5 kg (12 lbs). it can be folded inside 10 seconds into a compact 26? x 12? x 6? (66 x 30 x 15 cm) package and has pneumatic tyres.