... and aluminium 2, High quality and competitive price 3, Fashional bicycle:1,Rim size: 20'' 24'' 26'' steel alloy and ... or 1.95 / 2.125 air tires or EVA tire6, Chain wheel & crank: 12''48T × 89/1628T × 102/20''48T × ... brake9, Flywheel: 16T/18T/20T brown/black/CP10,Chian: full chain or 9-form chian cover11, Pedal:plastic, with reflector,without ... , Green paint is good for health 2012 cool Mountain Bicycle