Sakae/Ringyo (SR) SX
Main Photo
Category:  Cranksets
Name:  Sakae/Ringyo (SR) SX
Brand:  Sakae/Ringyo (SR)
Model:  SX
Years:  1987 - ?
Country:  Japan
Added By: JFischer on 07/26/07
Updated By: onespeedbiker on 07/07/13
Additional Photos - click for full size
Sakae/Ringyo (SR) SXSakae/Ringyo (SR) SXSakae/Ringyo (SR) SXSakae/Ringyo (SR) SX
Chainring CountDoubleBCD 110mm & 130mm available
BB StyleSquare Taper (JIS)Pedal Threads9/16" x 20 (English)
BB Length 117 mmFlutes None
Lengths 170Arm/Spider MaterialAluminum Alloy
Front MarkingsSakae SXBack MarkingsSR 170 Japan
Extractor Threading 22x1mm (Standard)  
General Information
I have added a crankset that I found in black and white. It a bit worse for ware but still looks stunning.
See Incorrect Information? Log-in to submit report.  
Additional Resources
Resources:Reference & ChartsCatalogsGear Calculator
Component VariationsView Detailed List  Manage Variations
Variations of Component exist (Component is 1 of 2)BrandGroup
Sakae/Ringyo (SR) SX OvalTechSakae/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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