This is an SE Racing PK Ripper bicycle. Tangent racing pads. Racing slick tire on rear. Quick disconnect cranks. Measurements handle bars 27, floor to gooseneck 27, axle to axle 38, seat adjustment from ground 28-35, wheels 20. This bike is in good, working condition but definitely used. Grips slightly ripped and rust on chain, cranks and some bolts. Great starter bike for pre-teens.