31.7 mm (1.25") Double Butted Tubes


Availability: Out of stock

  • • Designed by Columbus
  • • Alloy: Spirit Niobium Steel with anti-dent treatment
  • • Exceptional mechanical characteristics
  • • High tensile strength, superior resilence and incredible fatigue resistance
  • • Excellent tube-surface finishing and highly controlled alloy-composition for an excellent weld bead
  • • New anti-dent treatment: localized thermal hardening process counters dents caused by an impact or collision, with particular attention paid to the central areas of the tubes which are thinner and lighter
  • • Made in Italy

31.7 mm (1.25") Double Butted Tubes


Columbus Spirit Steel Alloy with anti-dent treatmentSince 1919, Columbus has been a leader and innovator in producing steel tubing, first for the bicycle industry, later for aviation and Italian racing car and motorcycle chassis. Known for their extensive research in mechanics and metallurgy, frame builders can count on the guaranteed quality and controlled origin of Columbus to build bikes that combine stiffness and strength with increased resistance to deformation and breakage. The selection of tube profiles and alloys allow for customization to meet the needs of any rider, condition, or terrain. Favored by champions and top riders from Gimondi to Merckx, Hinault to Argentin, Lemond and Roche, Columbus is internationally recognized as “The Soul of Cycling.”

Additional Information

Part Number SPLM12650+
Diameter 31.7 mm
Wall in mm .75\.45\.75
Center 350
Length 650
Butt 1 100
Taper 1 40
Center 350
Taper 2 30
Butt 2 55