Sakae/Ringyo (SR) Super Custom (86mm BCD)
Main Photo
Category:  Cranksets
Name:  Sakae/Ringyo (SR) Super Custom (86mm BCD)
Brand:  Sakae/Ringyo (SR)
Model:  Super Custom
Years:  Early 1980's - Late 1980's
Country:  Japan
Added By: PDXaero on 04/01/09
Updated By: Tombo on 02/01/16
Additional Photos - click for full size
Sakae/Ringyo (SR) Super Custom (86mm BCD)
Chainring CountDoubleBCD 86mm
BB StyleSquare Taper (JIS)Pedal Threads9/16" x 20 (English)
BB Length Flutes None
Lengths 170Arm/Spider MaterialAluminum Alloy
Front MarkingsSUPER CUSTOMBack MarkingsArm Length, Production Code, JAPAN, SR, JIS stamp, 5
Extractor Threading 22x1mm (Standard)  
General Information
Listed when sold as a Super Custom, CT5LA one piece aero crank.
The example pictured is 144mm BCD, 86mm c-c between adjacent bolts.
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 3)BrandGroup
Sakae/Ringyo (SR) Super Custom-5LA (144mm BCD)Sakae/Ringyo (SR)
Sakae/Ringyo (SR) Super Custom (110mm BCD)Sakae/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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