Stronglight V4 Competition (earlier version, two pin locknut)
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Category:  Headsets
Name:  Stronglight V4 Competition (earlier version, two pin locknut)
Brand:  Stronglight
Model:  V4
Years:  Early 1950's - Mid 1960's
Country:  France
Weight:  170.1 grams
Added By: peterbman on 02/26/14
Updated By: peterbman on 04/04/14
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Stronglight V4 Competition (earlier version, Stronglight V4 Competition (earlier version, Stronglight V4 Competition (earlier version, Stronglight V4 Competition (earlier version,
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Body MaterialSteelUpper Bearing Size5/32"
Lower Bearing Size5/32"Crown Race Size
Upper Cup MarkingsStronglightLower Cup MarkingsStronglight
Available Threading French (25mm x 1mm)Stack Height 
General Information
V type bearing races on the Competition model, whereas the P3 model has normal curved type bearing races. 1958 Stronglight catalog says the V4 headset is precision engineered. V type bearing races are difficult to manufacture, involving great care in grinding as tolerances are very small. V type bearings are suited for longer life including stage racing. Stronglight Marque Deposee Competition on lockring. 
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