Zona Seat Tube, Bulge Butted 28.6/29.8 x 640

Zona Seat Tube, Bulge Butted 28.6/29.8 x 640

ZON113640

Regular price $29.25
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Zona Seat Tube, bulge butted 28.6/29.8 x 640 x 0.8/0.6/1.2, 25CroMo4.
This is a handmade product; the weight is approximate and may vary between batches.
Bulge Butted
  • Family: Zona
  • Type: ST
  • OD: 28.629.8
  • Profile: 0.80.61.2
  • Length: 640
  • Butt 1: 245
  • Taper 1: 40
  • Center: 220
  • Taper 2: 40
  • Butt 2: 95
  • Weight: 325g

About Zona

All-Purpose Hi-Resistance tubes family
  • Triple / Double butted 25CroMo4 alloy seamless tube set
  • Moderate weight and high strength
  • Multiple possible shapes, triangle & stays
  • Increased wall-thicknesses and butted lengths in strategic tube areas
  • Perfect solution for off road and training purpose
  • Great to mix with lighter Columbus sets for an improved resistance
  • Good resistance to heating during welding process
  • Great reliability and fatigue life
  • Made in Italy