Sinister Frames

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Simon Bar

Designed in complete triangles from round tubing (structurally superior engineering) the DNA positions the saddle between your knees for control and the top tube low for step-over tricks. Fear not the 50/50 landing when your gentle chromosome grabs the brakes. The heavy wall domestic 6061-T6 tubing with industry leading 38 mm (1-1/2") seat tube will keep your bike and carcass in one piece. The Sinister DNA won’t let you down, rat you out or sleep with your friends. Get one. Progress.


  • All 6061 aluminum construction
  • 73 mm ISCG bottom bracket
  • 135 x 10 mm rear spacing
  • No front derailleur
  • 1-1/8 x 4.8" head tube
  • 1.125 inch head tube
  • 30.9 mm seat post
  • 34.9 mm seat collar
  • 2.6 tire capacity
  • Replaceable drops
  • Designed for 80 mm – 100 mm fork
  • International standard brake only
Small Medium
Head Angle 69.5 deg 69.5 deg
Seat Tube Angle 73 deg 73 deg
Tube Top Length 22" 23"
BB Height 12" BB 12" BB
CS length 15.7 to 16.5"
Head Tube Length 4.8" 4.8"
Seat Tube Length 13.5" 13.5"