Pivo (recessed hex expander bolt)
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Main Photo
Category:  Stems
Name:  Pivo (recessed hex expander bolt)
Brand:  Pivo
Years:  Early 1970's - Mid 1970's
Country:  France
Added By: Wolfram Verktyg on 08/26/09
Updated By: Wolfram Verktyg on 08/09/14
Additional Photos - click for full size
Pivo (recessed hex expander bolt)Pivo (recessed hex expander bolt)Pivo (recessed hex expander bolt)
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MaterialAluminumMarkingsPIVO on both sides
Bar Clamp Size 25.0Quill Size 22.0
Expander Style ConicalExpander Bolt Size7mm Allen Key
Binder Bolt Size 12mm Hex bolt  
General Information
This model Pivo stem with a recessed hex expander bolt appeared about 1972 or 73 and was discontinued by 1975. they were made of cast aluminum but the design and casting quality was much better than many Pivo stems produced during the Bike Boom. It uses a 7mm hex key for the expander bolt. They were available in 80mm, 90mm and maybe 100mm extensions. The short quill length limits the height to about 3" out of the steerer. They were not very common. All of these stems that I saw were on mid to upper priced 1973-1975 Gitanes and Motobecanes.
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Additional Resources
Marketplace:Looking to buy one of these?Sell one like this
Resources:Reference & Charts
Brand Information(click to expand)
 PIVO, was the brand name of the manufacturer Ets Alles that was based at Montreuil in the eastern suburbs of Paris.
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