... For New Style Portable City A-Bike Features For New Style Portable City A-Bike Frame frame is constructed exclusively from ... removing the wheels. spare tyres and tubes are availableat any bike shop Brakes hub brakes are safe, durable, andprovide superior braking ... gear inches, roughlyequivalent to 4th gear on a ten speed bike storagethe bike folds easily, quickly and fits in small places. folded ...