200582-4500 Columbus Zona Down tube for MTB-29er w/S-Bend 38mm

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COLUMBUS Zona 38.1mm Bent 29er Downtube with 25 degree bend 150mm from the head end of  tube.

  • $43.40
  • Weight
    1.15 lbs
  • SKU

COLUMBUS Zona Bent 29er Downtube 750mm long- New Improved Spec!

This tube will accommodate  29ers and 26ers with long travel forks.

Note: Many framebuilders think this tube is heat treated because of its dark color. It is not. A note from the manufacturer:  

This tube comes in a dark unpolished finishing because its bend doesn’t allow to properly polish it after bending.  It is not heat treated."


Diameter: 38.1mm

 Wall Thickness  1.0-0.5.-0.8

 Length: 750mm

 Bend angle 25 degrees   80mm from head end to center of bend radius
 The Butt length for the top portion of the tube is 240mm long. The butt extends approximately 90 past the apex of the bend.

 Lower Butt length: 100mm
 Radius of bend:      150mm


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