Mercier Full Reynolds 531 steel frame set 57x57 cm side view
  • Mercier Full Reynolds 531 steel frame set 57x57 cm side view
  • Head tube and fork lugs details on vintage Mercier road frame
  • Seat cluster showing Reynolds 531 tubing decal on Mercier frame
  • Bottom bracket shell with French metric threads 35x100
  • Rear dropouts spacing measurement on Mercier steel frame
  • Front fork crown and 25x100 mm steering column details
  • Top tube decal detail on Mercier vintage bicycle frame
  • Full view of Mercier fork constructed with Reynolds 531 steel
  • Down tube lug work on French vintage road frame Mercier
  • Seat tube clamp area and seatstay attachments detail
  • Under bottom bracket view with cable guides Mercier
  • Rear triangle chainstays and brake bridge on steel frame
  • Front dropout spacing measurement 99.4 mm on Mercier fork
  • Seat tube length measurement center-to-top 57 cm
  • Top tube length measurement center-to-center 57 cm
  • Fork steerer tube threads close-up 25x100 French size
  • Rear dropout alignment closeup on Mercier Reynolds frame
  • Mercier classic decals on down tube with paint patina
  • Weight scale verification displaying 2345g for frame and fork
  • Internal view of seat tube and seatpost insertion area
  • Complete profile view of Mercier Reynolds 531 vintage frame

Vintage MERCIER frameset, full Reynolds 531 tubing, 57×57cm, 121mm spacing, 2865g

MERCIER
This genuine Mercier steel frame features premium Full Reynolds 531 tubing for your classic bicycle build. Measuring 57x57 cm and weighing 2345g, it utilizes traditional metric threading. The photographs are an integral part of the description, capturing the exact condition of this pre-owned frame.
€299.00
VAT included
Quantity
Last items in stock
1 Item

Description

Premium French Engineering: Vintage Mercier Reynolds 531

For purists of the golden era of cycling, this authentic Mercier road frame offers a superb foundation for a period-correct build. Constructed with iconic Full Reynolds 531 steel tubes, it delivers the legendary ride quality, vertical compliance, and responsiveness that defined professional racing and high-end touring machines of the mid-to-late 20th century. Weighing in at 2345g (including the fork), this chassis represents the pinnacle of classic lightweight frame building.

Technical Specifications & Sizing Details

This chassis conforms to vintage French dimensions and standards, demanding matching components. To complete your cockpit setup with period-correct parts, we recommend sourcing a compatible vintage steel handlebar. Sizing and technical specifics are detailed below:

Technical Characteristics

  • Matter: Steel
  • Size: 57 cm (Seat tube: 57 cm center-to-top of seat tube | Top tube: 57 cm center-to-center)
  • Thread (bottom bracket): 35x100 "French" metric
  • Thread (fork): 25X100
  • Spacing: Front 99.4 mm / Rear 126.6 mm
  • Weight: 2345 g
  • Numéro de pièce fabricant: 0000
  • Pays d'origine: FRANCE

Build Integrity & Condition Notes

As a pre-owned vintage item, this frame shows minor signs of age and storage, such as small paint chips or superficial cosmetic wear, which are normal for its era. There are no major structural defects like cracks, deep rust, or alignment issues unless highlighted. The photographs are an integral part of this description, showing the exact cosmetic state, lug work, and decal preservation of the actual frame you will receive.

Whether you are building a dedicated classic road machine or looking for the perfect foundation for a high-end vintage project, this lightweight steel chassis is ready to be rebuilt. You can pair it with our available front headlight bracket if you are planning a classic vintage touring bike or utility build.


FAQ

What bottom bracket thread standard does this Mercier frame use?

This frame features French metric bottom bracket threading measuring 35x100 mm.

What is the exact frame size and weight?

The frame size is 57 cm (57 cm seat tube center-to-top, and 57 cm top tube center-to-center). The combined weight of the frame and fork is 2345 grams.

Are there any structural cracks or bends on this frame?

No. The frame is structurally sound with no cracks or major structural defects. Small cosmetic storage wear and micro-scratches may be present, which you can evaluate in the product images.

Product Details
1 Item

Data sheet

Country of origin
FRANCE
Material
Steel
Size
57
Thread (bottom bracket)
35x100 "French"
Thread (fork)
25X100
Manufacturer part number
0000
Comments (0)
Grade
No customer reviews for the moment.
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