Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)
Main Photo
Category:  Seat Posts
Name:  Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)
Brand:  Sakae/Ringyo (SR)
Primary Group:  Custom
Model:  CT-P3
Years:  Mid 1970's - 1980's
Country:  Japan
Weight:  304 grams (avg)
View Weight List
Added By: Tombo on 05/12/16
Updated By: Tombo on 05/13/16
Additional Photos - click for full size
Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)Sakae/Ringyo (SR) Custom-P3 (Raleigh branded)
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Markings"SR" & "RALEIGH";
"MAX.HT" & diameter & "JAPAN" & date code & "SR"(in a circle)
MaterialLight Alloy
Shaft DesignSmoothSaddle Attachment StyleDouble clamp
Saddle Attachment Bolt Size(s)13mm wrenchOverall Length 195mm
Max Height 135mmSetback 30mm
General Information
Available diameter from 25.8 to 27.0 in 0.2mm steps (according to the SR catalogue P-7 from 1982), but my one has 27.2mm :-)
Markings at the top: SR" on both sides of the clamp; NO SR melt forging Crest, bust instead "RALEIGH" at the upper part of the post

Markings at the min.-insert line: "MAX.HT"; diameter; "Japan"; date code (e.g. "I-78" for September 1978)  
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Sakae/Ringyo (SR) Custom-P3 (Melt Forging)Sakae/Ringyo (SR)Custom
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
CustomSakae/Ringyo (SR)View 7 Components
Brand Information(click to expand)
Date of Manufacturing / Production Code for SR seatposts (at least for the 80's):
The date of prodcution of SR (Laprade) seatposts is shown around the min.insert line as follows:
"letter"-"double digit number", e.g. F-81 oder L-81, while the letter should be the month and the number will be the year of production.
So F-81 seems to be June 1981 while L-81 would indicate December 1981.
(in-line with the code 1 examples on

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WeightSourceNotesAdded By
313 GramsActualfor 27.2mm Tombo
295 GramsSpecSR Catalogue P-7 (1982) Tombo
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