Straitline Collars

Our beautifully crafted seatpost collars utilize a barrel nut for more uniform clamping.

spec
  • Available in 28.6mm, 30mm, 31.8mm & 34.9mm
  • 21g (34.9mm)
  • 100% CNC machined from solid 6061 T6 aluminum
  • Available in a wide range of colors

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