4130 Double-butted chromoly frame and fork Rear rack & fender mounts, cargo cage/mini rack bosses on fork with one set of thrubosses Three sets of water bottle bosses Cafe lock mount Kickstand plate International Standard disc brake tabs (140/160mm rotors suggested) Wheel size: 20" (ISO 406) BMX size Tire clearance for 20 x 2.3" (20 x 2.0" w/fenders) Hub spacing: 135mm, rear, 100mm fork Fits 11/8" headset (EC34/28.6|EC34/30 headsets) Seatpost size: 27.2mm x 350/400mm Sizes: Small, Med and Large The Small can fit 4'11" to 5'7" The Medium can fit 5' 3" to 5' 11" The Large can fit 5'6" to 6'3" Color Purple and Matte Black