Frame: Steel,HIT 26'MTB frame,suspension Fork: Steel,HIT, suspension 26' fork Handlebar: steel,small handlebar Brake Sets: F:steel,V-brake R:steel,V-brake Saddle: MTB saddle Crank Sets: steel triple speed T48-38-28T*3/32' Crank:170mm Rim: 26'*36H, alloy rim, Front & rear Hub: F:36,steel hub , R:steel hub Tire: 26'*1.95 black line F/R Derailleur Saiguan Front /rear derailleur Gear Sets: DF freelwheel 18speed