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Bicycle Frame Jig/Fixture Seat Tube Cone - Steel

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Bicycle Frame Jig/Fixture Seat Tube Cone - Steel


Seat tube centering cone to build a bicycle frame welding jig/fixture. This is used to hold the top of the seat tube.  A seat tube fixture for bicycles will be available soon.

You will need to determine if these will work for your bicycle frame jig build.

Bicycle Frame Jig/Fixture Bottom Bracket Centering Cones:

  • Used for your custom bicycle frame jig.
  • Zinc plated 1018 cold rolled steel.
  • CNC manufactured to precise tolerances.
  • Smooth bored for 5/16" or 8mm bolt.
  • 1.45" large O.D.
  • .625" small O.D.
  • Sold as a single cone.