Frame: 700C , steel, TIG welded Fork: alloy 700C fork Handlebar: race handle bar for 700C,alloy with steel Brake Sets: Promax ,alloy capilar brake Saddle: racing saddle Crank Sets: two pcs, ED , W/AL crank Rim: 700C *14G*36H, alloy, double wall rim, Front & rear Hub: 14G* 36H alloy W/QR Tire: 700C*23C,rubber tire, black F/R Derailleur Shimano F/R Derailleur Gear Sets: two pcs, ED , W/AL crank