2595 grams—the exact mass of this Colnago Super frameset, weighed with the fork and its 25.4x1.06 mm steerer. A Columbus-tubed platform built for 700c wheels, it delivers a 54 cm seat tube (c–top) and 54 cm top tube (c–c).
Frame Measurements and Rear Spacing
The rear dropouts are spaced 124 mm, accepting a vintage 5- or 6-speed freewheel hub without cold-setting. The fork steerer is threaded at 25.4x1.06 mm, ready for a standard 1-inch headset.
Columbus Steel Tubing & Lugs
Columbus steel tubes throughout, with precise investment-cast lugs and a fully chromed fork crown. The bottom bracket shell bears ITA-24 threading: 36×24 T, the defining Italian standard for its era.
Technical Specifications
- Matter: Steel
- Size: 54
- Thread (bottom bracket): 36x24 " ITA-24"
- Thread (fork): 25.4x1.06
The photos form part of the description – every lug, dropout, and decal is fully documented.
For a sibling frame in a larger size, examine our Colnago Super 58 cm Columbus frameset. If you seek an alternative, the MERCIER Columbus steel frame offers a similar period build.
FAQ
What bottom bracket threading does this Colnago Super use?
ITA-24, 36x24 T. This is the correct Italian standard for vintage Colnago frames.
What is the rear dropout spacing?
124 mm. Suited for 5- and 6-speed freewheel hubs without frame spreading.
What fork steerer dimensions?
Threaded 1-inch steerer at 25.4 mm diameter, 100 mm long.
Is there any damage on this frame?
A small dent on the downtube, marked D8 in the photos. No other issues.
How is the seat tube measured?
Centre to top of the tube, giving 54 cm. Top tube is centre-to-centre, also 54 cm.
