Cinelli 1A (winged "C" logo)
Main Photo
Category:  Stems
Name:  Cinelli 1A (winged "C" logo)
Brand:  Cinelli
Model:  1A
Years:  1978 - 1980's
Country:  Italy
Weight:  293 grams (avg)
View Weight List
Added By: JFischer on 07/07/07
Updated By: Tombo on 12/23/16
Additional Photos - click for full size
Cinelli 1A (winged "C" logo)Cinelli 1A (winged "C" logo)Cinelli 1A (winged "C" logo)Cinelli 1A (winged "C" logo)Cinelli 1A (winged "C" logo)
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MaterialAluminumMarkingsCinelli Logo (with a winged "C") on top;
"Minimum Insertion" & "Made in Italy" & {length} on the shaft
Bar Clamp Size 26.0; 26.4Quill Size 22.0 and 22.2
Expander Style ConicalExpander Bolt Size6mm Allen Key
Binder Bolt Size 6mm Allen Key  
General Information
Lengths from 7 to 14mm. 
There were a some made for French size (22.0 mm) steering tubes.

Be sure you know what size clamp and steerer the stem is spec'ed for when buying these!
Up through the late 80's to early 90's the clamp size was the Cinelli standard 26.4, however they eventually switched over to a 26.0 size for a number of years before the 1A was discontinued. 

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Additional Resources
Resources:Reference & ChartsCatalogsExternal Resources
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
Cinelli 1A (Cinelli Milano logo)Cinelli
Cinelli 1A (early version)Cinelli
Brand Information(click to expand)
A true icon in the cycling industry, Cinelli is well known for their stems and handlebars which came as standard equipment on countless quality European brand bicycles, however they are also known to have made some of the most sought after lightweights by collectors and riders alike the world over.  Few brands can meet, let alone exceed, the level of workmanship and ride quality of Cinelli frames, even those from the 1950's.
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WeightSourceNotesAdded By
300 GramsUnknown simplex56
286 GramsActualfor 100mm Tombo
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