Sakae/Ringyo (SR) Jun-50x150
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Category:  Stems
Name:  Sakae/Ringyo (SR) Jun-50x150
Brand:  Sakae/Ringyo (SR)
Model:  Jun-50x150
Years:  1970's - 1980's
Country:  Japan
Weight:  270 grams (Spec),
SR Catalogue P-7 (1982)
Added By: peterbman on 03/26/14
Updated By: Tombo on 05/14/16
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Sakae/Ringyo (SR) Jun-50x150Sakae/Ringyo (SR) Jun-50x150Sakae/Ringyo (SR) Jun-50x150Sakae/Ringyo (SR) Jun-50x150
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MaterialLight AlloyMarkings"JUN" on both sides
Bar Clamp Size Quill Size 
Expander Style ConicalExpander Bolt Size12mm Hex bolt
Binder Bolt Size 12mm Hex bolt  
General Information
 
Quality:Rarity:
 
 
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Additional Resources
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Resources:Reference & ChartsCatalogs
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 vintage-trek.com...)



 
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