Tubing: butted and pg seamless 4130 crmo tubing for extra dent resistance     Bottom bracket: 74mm mid size, cnc machined     Head tube: 125mm tall, CNC machined and heat-treated, int. h/set, holes for      gyro tabs     Dropouts: CNC machined 6mm thick and heat treated Special Features super tough frame with modern, technical geometry for street and park riding extra thick tubing to resist denting Mid size BB and integrated head tube 125mm tall headtube to reduce the need for stem spacers. removable brake mounts & cable guides and holes for rotor tabs on head tube Weight: 2.35kg (5.2lbs) - 21"Geometry     Top tube length: 20.75" & 21"     Chain stay length: 12.75" – 13.25"     Head tube angle: 75.5°     Seat tube angle: 71°     BB height: 11.75"     Standover height: 9.25"