... ball4.color to your order5.attractive design6.Manufacture of the bicycle parts7.competitive price8.it must ... ,folding bicycle,moutain bicycle,city bicycle. and parts of bicycle and mountain bike such as:chain-wheel ... middle axle,basket,air pump,hub spindle,head parts,free wheel,brake cable,chain,brake lever, ... brake shoes,tyre and tube,mudguard,side stand,chain adjuster,steel ball, ...