Sakae/Ringyo (SR) Aero
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Category:  Stems
Name:  Sakae/Ringyo (SR) Aero
Brand:  Sakae/Ringyo (SR)
Model:  Aero
Years:  N/A
Country:  Japan
Weight:  337 grams
Added By: redxj on 10/31/07
Updated By: JFischer on 01/14/10
Additional Photos - click for full size
Sakae/Ringyo (SR) Aero
MaterialAluminumMarkingsCustom and R on front
Bar Clamp Size 26.0Quill Size 22.2
Expander Style WedgeExpander Bolt Size
Binder Bolt Size 6mm Allen Key  
General Information
SR version of an Aero hidden bolt stem.
Quality:Rarity:
 
 
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Additional Resources
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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