JPR 3001 (smooth)
Main Photo
Category:  Seat Posts
Name:  JPR 3001 (smooth)
Brand:  JPR
Years:  1980 - ?
Country:  France
Weight:  193 grams (Actual),
for diameter 25.0
Added By: JFischer on 10/28/11
Updated By: fightfooter on 01/28/15
Additional Photos - click for full size
JPR  3001 (smooth)JPR  3001 (smooth)JPR  3001 (smooth)
MarkingsJPR at cradle, 25.0 and date code 11 80 near max insert lineMaterialAluminum
Shaft DesignFlutedSaddle Attachment StyleDouble clamp
Saddle Attachment Bolt Size(s)5mm Allen KeyOverall Length 205mm
Max Height 140mmSetback 
General Information
Unique seat mounting method, the seat rail pivots on a single point above the rail which is attached to the post itself, the seat rail is then adjusted and secured by a twin-bolt undercarriage easily adjustable with a 5mm allen key. 

dimensions available:25.0 - 25.5 - 25.8 to 27.4
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Additional Resources
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Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
JPR 3001 (fluted)JPR
Brand Information(click to expand)
 Possibly a subsidiary of Hutchinson, and if so JPR has now gone on to bigger and better things than headsets - like parts for high speed trains, the Concorde and other aerospace applications.
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Eddy Merckx
VeloBase v.2.7.8 rev.5 - a Fischer Frameworks application, Copyright ¬© (2020) - All rights reserved.

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