This bicycle has 26 inch wheels, disc brake and a 52 teeth gear which makes riding up or down hills much easier. It has an opal style finish and is composed of high performance epoxy resin and carbon fiber. These Frames are made by a local artist. If you are interested in this one of a kind machine please call (914) 218-0045. For more information on our bicycles and our team you can visit WWW.Xingbicycles.com.