WOOM BIKES USA 5 Supra Mountain Bicycle, 24"/One Size, Green 19 lbs - the supra aluminum frame is made out of specially designed custom aluminum tubes The stem and headset made from alloy reduce the weight of the bike and enable a low center of gravity of the bike High quality v-brakes front and rear as well as the SRAM shifter with gear display The carbon fiber seat post along with a lighter saddle areadditionalhigh lights of the supra Kenda small block tires are OFFERED with the supra