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Sakae/Ringyo (SR) AEC-200 (AE-5RG), AEROX
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Category:  Cranksets
Name:  Sakae/Ringyo (SR) AEC-200 (AE-5RG), AEROX
Brand:  Sakae/Ringyo (SR)
Model:  AEC-200
Years:  Early 1980's - ?
Country:  Japan
Added By: Don Buska on 05/30/17
Updated By: Don Buska on 05/30/17
Additional Photos - click for full size
Sakae/Ringyo (SR) AEC-200 (AE-5RG), AEROX
 Verify Component Photos
Chainring CountDoubleBCD 118mm
BB StyleSquare Taper (JIS)Pedal Threads9/16" x 20 (English)
BB Length Flutes None
Lengths 170; 175Arm/Spider MaterialAluminum Alloy
Front MarkingsAeroxBack MarkingsSR Japan
Extractor Threading 22x1mm (Standard)  
General Information
The Aerox line was SR's top end for several years starting in the early 80's. It replaced the "Royal" line.  In many ways it looked like those cranks in the CR and SR series, but in a smooth satin anodized finish.

One piece forged Super Duralumin with Cold Rolled Chainrings.  Cranks have chain collector catch.

There is also a AEC-T200 (AE-5TRG) triple ring variant which has a 74mm inner BCD mounting.

The Part numbers changed from the "AE-" to the "AEC-" designations between the 1982 and 1983 catalog years.
Quality:Rarity:
 
 
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Additional Resources
Resources:Reference & ChartsCatalogsGear Calculator
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 3)BrandGroup
Sakae/Ringyo (SR) AEC-100 (AE-5LA), AEROXSakae/Ringyo (SR)
Sakae/Ringyo (SR) AEC-300, AEROXSakae/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 vintage-trek.com...)



 
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