REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of
  • REG C 35x100 French Thread Bottom Bracket 135mm | Street of

REG C Bottom Bracket 35x100 135mm Vintage EROICA Bike BP17

REG

Steel REG C bottom bracket with a 135 mm axle and 35x100 French thread. Photos are part of the description.

€19.99
VAT included
Quantity
Last items in stock
1 Item

Description

French-Thread Bottom Bracket for Vintage Frames

The REG C unit answers a specific mechanical constraint on older steel frames: a 35x100 "Français" thread. This is not the more common BSC or Italian standard, so the cups must match the shell precisely. The axle measures 135 mm, a length that suits a range of vintage chainset layouts.

The shell is made of steel, as expected on a period-correct bottom bracket. The photos form part of the description: check the thread condition, the cup faces, and the axle surface before fitting. Minor cosmetic marks from storage may be present, but any major issue would be stated here.

Key Specifications

Key specifications

  • Bottom bracket thread: 35x100 "Français"
  • Material: Steel
  • Country of origin: FRANCE
  • Manufacturer part number: 0000

If you are building a vintage machine around French standards, a compatible cup set is essential. See also the STRONGLIGHT Bottom Bracket Left Cup 35x100 BP18 for a threaded cup alternative, or the STRONGLIGHT 35x100 French Thread Bottom Bracket 118mm Vintage Bike BP15 for a shorter axle in the same shell standard.

The 135 mm axle width remains a practical choice for classic cranksets where chainline and clearance matter. The French thread requires careful identification, so measure your shell width and thread pitch before fitting.

FAQ

What thread standard does this REG C bottom bracket use?

It uses a 35x100 "Français" thread. That is a French standard, not BSC or Italian, so the frame shell must match that thread pitch.

How long is the axle on this REG C bottom bracket?

The axle measures 135 mm. The exact chainline will depend on the crankset and frame, but this length suits many vintage setups.

What material is the REG C bottom bracket made of?

The unit is made of steel. The photos are part of the description and show the thread and surface condition to check.

Can I use this bottom bracket on a non-French frame?

No. The 35x100 French thread will only fit a shell threaded for that standard. Measure your frame shell before fitting.

Product Details
1 Item
Used

Data sheet

Country of origin
FRANCE
Oxidation
Yes
Material
Steel
Thread (bottom bracket)
35x100 "French"
Manufacturer part number
0000
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