Fiend Mills Frame - Gloss Trans Blue The Fiend BMX Mills frame is the signature frame for Australian BMX Pro Lewis Mills. This BMX frame is made from 4130 chromoly and features double butted top and down tubes. This means those tubes are have a thicker wall thickness where they meet the head tube, bottom bracket and seat tube. This helps to maintain the strength of the frame while reducing weight. The seat tube is also externally butted so has a slightly thicker diameter where it meets the bottom bracket to increase strength. This Fiend BMX frame also features a 5" heat treated headtube, built in seat clamp, flush seat stay brake mounts and integrated chain tensioners. Specification: Brand: Fiend BMX Signature rider: Lewis Mills Head tube angle: 75.5° Seat tube angle: 71° Bottom bracket height: 11.625" Stand over height: 9.5" Head tube height: 5" Chain stay length: 13.1" Gyro compatible: Yes Brake mounts: Yes, seat stay mounted. Please note the brake mount kit is not included with the frame. Chain tensioners: Yes, included with the frame Dropout thickness: 8mm Weight: 5lbs 6.9oz / 2.465kg for 20.75" top tube Please note that with the finish on these frames being a clear coat over raw tubing that there possibly could be some vein-like effects underneath the coating. This will be different on every frame. This is purely cosmetic and will not affect the frame in any other way.