This classic hand-welded steel frame is engineered for retro road racing configurations and traditional bicycle restorations. Tipping the scales at a competitive 2800g, it provides a stable, responsive foundation for collectors and builders assembling a period-correct bike. The rear dropouts feature an integrated Campagnolo rear hanger, assuring compatibility with high-grade vintage derailleurs.
Technical Geometry & Vintage Engineering
Built with precise proportions, this frame offers a balanced vintage ride quality typical of mid-to-late 20th-century artisan workshops. The rear triangle spacing is configured for classic hub widths, ensuring seamless alignment for vintage drivetrains. Detailed photographs showing the lug work, tubing connections, alignment, and cosmetic surface condition form part of the description.
If you are planning a complete historic rebuild, consider pairing this frame with a compatible classic front end like this 186mm Steel Bicycle Fork or explore similar geometries with our hand-built 3120g vintage bicycle frame to find your exact restoration specifications.
Technical Specifications
- Weight: 2800 g
- Seat Tube (a): 54 cm (measured from bottom bracket center to top of the seat tube)
- Top Tube (b): 54.5 cm (measured center-to-center)
- Rear Spacing: 121.8 mm
- Dropouts: Campagnolo rear hanger
- Size: 54
FAQ
How are the frame dimensions measured?
The seat tube (54 cm) is measured from the center of the bottom bracket shell to the top of the seat tube. The top tube (54.5 cm) is measured center-to-center.
What type of rear derailleurs fit this frame?
This frame is equipped with a Campagnolo rear hanger, making it fully compatible with vintage Campagnolo bolt-on rear derailleurs and similar period-correct options.
What is the rear hub spacing of this frame?
The rear dropouts have a spacing width of 121.8 mm, designed for classic vintage hubs.
