Sakae/Ringyo (SR) Royal-P1 (Custom Melt Forging)
Main Photo
Category:  Seat Posts
Name:  Sakae/Ringyo (SR) Royal-P1 (Custom Melt Forging)
Brand:  Sakae/Ringyo (SR)
Model:  RY-P1
Years:  1970's - 1980's
Country:  Japan
Weight:  319 grams (avg)
View Weight List
Added By: ininbita on 02/28/11
Updated By: Tombo on 05/13/16
Additional Photos - click for full size
Sakae/Ringyo (SR) Royal-P1 (Custom Melt ForgiSakae/Ringyo (SR) Royal-P1 (Custom Melt ForgiSakae/Ringyo (SR) Royal-P1 (Custom Melt ForgiSakae/Ringyo (SR) Royal-P1 (Custom Melt ForgiSakae/Ringyo (SR) Royal-P1 (Custom Melt Forgi
Markings"SR" and "MELT.FORGING" (+bird draw) and a big "CUSTOM"MaterialDuraluminum
Shaft DesignSmoothSaddle Attachment StyleDouble clamp
Saddle Attachment Bolt Size(s)10mm wrenchOverall Length 195mm
Max Height 130mmSetback 20mm
General Information
Available diameter: from 25.8 to 27.2 in 0.2mm steps
anodized finish
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Additional Resources
Resources:Reference & ChartsCatalogs
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 4)BrandGroup
Sakae/Ringyo (SR) Royal (smooth w/ crest)Sakae/Ringyo (SR)
Sakae/Ringyo (SR) Royal (fluted)Sakae/Ringyo (SR)
Sakae/Ringyo (SR) Royal-PISLSakae/Ringyo (SR)
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
328 GramsActual ininbita
310 GramsSpecSR Catalogue P-7 (1982) Tombo
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