Frame:steel Fork:steel Rim:steel/Alloy Brake:calliper brake UCP Chaincover:steel /plastic Crank&chainwheel:28th chainwheel CP Handlebar&stem:steel painted/CP B.B parts:three pieces Tyre:12"-20*2.125/EVA Tube:Rubber Carrier:steel painted/CP Mudguard:steel painted/plastic Saddle:PVC Accesseries:training wheel .basket.toolbox.bell.colord grip.backrest.wheelcoverOEM &Small volum order also welcomed.