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Vintage MERCIER seatpost 26.4 mm side profile view showing insertion scale
  • Vintage MERCIER seatpost 26.4 mm side profile view showing insertion scale
  • Detailed view of the 26.4 mm clamping head mechanism
  • Rear view of the vintage Mercier seatpost showing surface finish
  • Front view of the 26.4 mm alloy seatpost shaft
  • Close-up of the vintage saddle rail clamping bolts
  • Diameter measurement of the 26.4 mm Mercier post
  • Full length shot of the Mercier vintage bicycle seatpost
  • Detail of the upper cradle on the vintage clamp
  • Lower shaft marking area of the vintage seatpost
  • Saddle rail channel view of the Mercier alloy post
  • Micro-scratch details on the inserted portion of the shaft
  • Profile of the seatpost head assembly for steel frame road bikes
  • Underneath view of the clamp cradle assembly
  • Anodized finish details on the Mercier 26.4 mm post
  • Overall condition check of the vintage seatpost shaft
  • Top down angle of the Mercier clamp cradle
  • Scale and alignment view of the classic seatpost
  • Bottom opening of the hollow Mercier alloy seatpost

MERCIER vintage seatpost 26.4 mm for classic Eroica road bike

MERCIER
This vintage MERCIER seatpost is engineered with a precise 26.4 mm insertion diameter, perfect for your classic road bike restoration. Please note that the detailed photographs form an integral part of this product description, showing its true vintage condition and surface wear.
€29.00
VAT included
Quantity
Last items in stock
1 Item

Description

Securing the structural interface of a classic lugged steel frame requires a precise caliper measurement. This vintage MERCIER seatpost, engineered with a calibrated 26.4 mm diameter, offers the exact dimensional tolerance needed to prevent seat tube slippage and mechanical binding. Ideal for period-correct builds, this post is ready to complete your classic road bicycle build or vintage retro-cycling setup.

Restoration Specifications & Structural Details

This classic component has been selected for its mechanical reliability and authentic engineering. For builds requiring alternative sizing configurations, you may also consider examining our SR LAPRADE vintage seatpost 26.4 mm or our slightly narrower SR LAPRADE 25.8 mm seatpost to match your frame's internal seat tube specifications.

As a pre-owned vintage item, this component exhibits standard cosmetic marks and micro-scratches from previous installation and storage. The photos form an essential part of this description, capturing the exact aesthetic condition and authenticity of the piece.

Technical Specifications

  • Type: Vintage Seatpost
  • Seat post diameter: 26.4 mm
  • Compatibility: Vintage steel frames, classic road bikes, Eroica builds

FAQ

What is the exact insertion diameter of this Mercier seatpost?

The exact diameter is 26.4 mm, which is a common standard for vintage French steel tubing and classic road bike frames.

What cosmetic defects are present on this vintage component?

This is a used vintage part. It shows typical cosmetic signs of wear, such as micro-scratches from storage and installation, which are detailed in the product photos.

Is this seatpost compatible with modern saddle rails?

Yes, the standard rail clamp accommodates traditional classic saddle rails typical of vintage and retro-cycling configurations.

Product Details
1 Item
Used

Data sheet

Seat post (in mm)
26.4
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