... kinds to choose6.Saddle: good leather,common or spring/plastic/liminition/leather/plate PVC top7.Pedals: plastic8.Flywheel: steel9 ... rubber10.Chainwheel and crank: CP/ED11.Mudguard: steel or plastic12.Basket: steel or plastic13.Color: red, black, pink, yellow, ... green, purple or any colors you like14.Attachments: basket, helmet, mirror, bag, flag, trainingwheel, cup, etc.15.Packing ...