Sakae/Ringyo (SR) CUSTOM
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Category:  Stems
Name:  Sakae/Ringyo (SR) CUSTOM
Brand:  Sakae/Ringyo (SR)
Model:  CUSTOM
Years:  1980's - ?
Country:  Japan
Weight:  310 grams (Actual), for 80mm length
Added By: jurones on 11/12/08
Updated By: ThermionicScott on 09/04/15
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Sakae/Ringyo (SR) CUSTOMSakae/Ringyo (SR) CUSTOMSakae/Ringyo (SR) CUSTOM
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MaterialAluminumMarkingsCUSTOM SR 100
Bar Clamp Size 25.4Quill Size 22.2
Expander Style WedgeExpander Bolt Size6mm Allen Key
Binder Bolt Size 6mm Allen Key  
General Information
My '91 Bianchi came to me with a 40mm SR stem, which I only learned later is unusual.  So I added a pic.
Quality:Rarity:
 
 
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Additional Resources
Marketplace:
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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