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Colnago Super Columbus 54cm steel frame full drive side view
  • Colnago Super Columbus 54cm steel frame full drive side view
  • Colnago Super Columbus 54cm frame non-drive side view
  • Front view Colnago Super Columbus 54cm fork and head tube
  • ITA-24 bottom bracket shell threading detail 36x24
  • Seat cluster and lugs on Colnago Super Columbus frame
  • Head tube lugs and down tube detail Colnago Super
  • Fork steerer 25.4x100mm thread profile
  • Rear dropout 124mm spacing and seat stay end
  • Down tube Colnago Super decal detail
  • Top tube and seat tube junction with wrapover
  • Dent D8 on downtube of Colnago frame – reference view
  • Dent D8 side profile on the downtube
  • Seat lug cluster top view Colnago Super
  • Fork crown detail Colnago Super Columbus
  • Front dropout and chrome finish detail
  • Bottom bracket shell drive side view 36x24
  • Inside bottom bracket ITA-24 thread view
  • Seat tube binder bolt and cluster rear
  • Chain stay detail Colnago Super Columbus
  • Chain stay bridge and tyre clearance
  • Seat stay cap and dropout alignment
  • Rear brake bridge detail on steel frame
  • Head badge Colnago Super Columbus steel
  • Fork steerer thread 25.4x100 metric spec
  • Complete fork and steerer Colnago Super
  • Columbus tubing decal close-up on frame
  • Side profile 54cm Colnago Super Columbus frame

Colnago Super 700 Columbus vintage bike frame, 54x54cm, 124mm, 25.4/36x24, 2595g

Colnago

Colnago Super Columbus steel frame, 54 cm seat tube (c-t), 54 cm top tube (c-c). 2595 g. ITA-24 bottom bracket 36x24 T. Rear dropout spacing 124 mm, fork steerer 25.4x1.06 mm. Photos form an integral part of the description.

€480.00
VAT included
Quantity
Last items in stock
1 Item

Description

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.

Product Details
1 Item

Data sheet

Matter
Steel
Size
54
Thread (bottom bracket)
36x24 " ITA-24"
Thread (fork)
25.4x100
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Grade
No customer reviews for the moment.
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