... 14''16'' 20'' steel alloy and aluminium 2, High quality and competitive price 3, Fashional bicycle:1,Rim size: ... 20'' 24'' 26'' steel alloy and aluminium2, High quality and competitive price3, Fashional design4, Handlebar and sterm: CP, ... 1.75 or 1.95 / 2.125 air tires or EVA tire6, Chain wheel & crank: 12''48T × 89/1628T × ... CTN18, Green paint is good for health 2012 high-quality Mountain Bicycle