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Profile view of the 161mm steel fork for classic 25x100 bicycle frames
  • Profile view of the 161mm steel fork for classic 25x100 bicycle frames
  • Steerer tube detail showing 25x100 threading on the vintage steel fork
  • Fork crown and clearance area of the 700C 650B steel fork
  • Dropouts detail on the 100mm spacing vintage bicycle fork
  • Front view of the curved blades on the classic steel fork
  • Overall length measurement of the 161mm steerer bicycle fork
  • Thread condition detail on the 25x100 vintage steel steerer tube
  • Side profile of the fork blades showing vintage offset
  • Close-up of the steel fork crown construction
  • Under-crown view showing clearance for 650B and 700C tires
  • Right dropout detail showing authentic vintage patina
  • Left dropout alignment view on the 161mm steel fork
  • Back view of the vintage steel fork crown assembly
  • Full length studio shot of the 161mm steel bicycle fork
  • Steerer tube diameter measurement on the 25x100 fork
  • Lower leg detail of the classic curved steel fork blades
  • Top view of the steerer tube opening of the steel fork
  • Close-up of the rack eyelets or mudguard mounting points if present
  • Acreage of patina and wear marks on the mid-blade section
  • Final inspection view of the 161mm 25x100 steel fork

161mm steel fork for 25x100 bicycle frame 700C/650B D8

This 161mm steel fork is designed for retro 700C or 650B bicycle frames with a 25x100 thread. Note: The photos are part of the description. An essential component for classic touring bike builds.
€10.00
VAT included
Quantity
Last items in stock
1 Item

Description

When restoring a classic chassis, finding a structural component with precise alignment and historical threads is vital. This vintage rigid steel fork offers a reliable solution for rebuilding classic road projects or traditional touring bike setups. It is compatible with both 700C and 650B wheel sizes, making it highly versatile for French-style rebuilds.

Key Structural Benefits

Constructed to classic standards, this steel fork ensures excellent vibration damping and structural integrity over rough roads. It features a traditional steerer tube length tailored for medium-sized vintage frames. Because this is a used item, the detailed photos are part of the description, allowing you to evaluate the authentic cosmetic condition, surface patina, and paint finish before purchasing.

If you require a different steerer length, we also offer the Steel Fork 163mm Steerer for 25x100 Frame 700C/650B as well as the slightly longer Steel Fork 169mm for 700C/650B Bicycle Frame 25x100 to perfectly match your head tube measurements.

Technical Specifications

  • Thread (fork): 25X100
  • Fork steerer (in mm): 160 -170 (measured exactly at 161 mm)
  • Wheel Compatibility: 700C / 650B

FAQ

What is the thread standard of this steel fork?

This vintage fork features a French-type 25x100 threading, requiring compatible headset and locknut assemblies.

Which wheel sizes can be mounted with this fork?

It is designed to accommodate both 700C (622 mm) and 650B (584 mm) wheels, typical of vintage French builds.

What is the exact length of the steerer tube?

The steerer tube has a physical measurement of 161 mm, falling within the 160 mm to 170 mm operational spec.

Product Details
1 Item
Used

Data sheet

Thread (fork)
25X100
Fork steerer (in mm)
160 -170
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