Petite Appearance,Portable A-bike Operate flexibly,Fold easily Brake comply to BS1062 Pneumatic tyres allow for a smooth ride Tech Specifications For New Style Portable City A-Bike Features For New Style Portable City A-Bike Frame frame is constructed exclusively from 7000series powder-coated aluminium. the frame is rustproof, lightweight, rugged,and protected by a lifetime warranty. drive train ...