Chromoly flat top frame Alloy cranks Alloy rim and stainless steel spokes Allloy hub with ISIS spline spindle and sealed cartridge bearings Platform pedals with chromoly axle Sun custom unicycle saddle with integrated grab handle and scuff guards Alloy double-bolt seat post clamp Available in 2 sizes 20` and 24` x 2.35` Unisex 20` Matte Grey Anodized Black 300 mmUPC/EAN/GTIN: 072774694662