Crafted by the artisanal builder D. PIATON, this classic bicycle chassis represents the pinnacle of French lightweight steel design from the golden era of cycling. Built using premium VITUS 181 double-butted steel tubes, this frame offers an exceptional stiffness-to-weight ratio (total weight of 2665g including the matching fork), translating to a highly responsive and comfortable ride over long distances.
Artisanal Framebuilding Meets Vitus Metallurgy
Unlike mass-produced frames, this D. PIATON frame displays clean hand-finished brazing and a thoughtful geometry suited for classic road races or premium vintage setups. The frame is finished in a subtle black paint, preserving its authentic, retro look. It provides a superb mechanical baseline for collectors looking to configure a period-correct build with classic European components.
For a complete period-correct rebuild, pair this chassis with classic components. You can check out our available MAFAC Competition road brake clamps to match the vintage French aesthetics, or browse our Gasparro Artisanal Vitus 971 frame if you are comparing different high-end French tubing options.
Technical Specifications
- Seat post (in mm): 26.4
- Size: 56
- Thread (bottom bracket): 35x100 "French"
- Thread (fork): 25X100
- Rear dropout spacing: 126 mm
- Weight: 2665g (Frame + Fork)
- Seat tube (center-to-top): 56 cm
- Top tube (center-to-center): 56 cm
FAQ
What bottom bracket thread standard does this frame use?
This frame utilizes classic French threading (35x100 mm) for the bottom bracket, requiring a French-threaded bottom bracket cup set for installation.
What is the exact seat tube and top tube sizing?
The seat tube measures 56 cm (measured from bottom bracket center to the top of the seat tube) and the top tube is 56 cm (measured center-to-center).
What seatpost diameter is compatible with this Vitus 181 frame?
This frame is compatible with a 26.4 mm diameter seatpost, which is standard for Vitus 181 steel tubing.
What is included in the total weight of 2665g?
The total weight of 2665g includes both the D. PIATON Vitus 181 steel frame and its matching steel fork.
