Sakae/Ringyo (SR) SC(-IS) 5SS  (Report Pending)
Main Photo
Category:  Bottom Brackets
Name:  Sakae/Ringyo (SR) SC(-IS) 5SS
Brand:  Sakae/Ringyo (SR)
Model:  SC(-IS) 5SS (70mm)
Years:  1980's
Country:  Japan
Weight:  373 grams (avg)
View Weight List
Added By: Tombo on 02/01/16
Updated By: Tombo on 05/13/16
Additional Photos - click for full size
Sakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SSSakae/Ringyo (SR) SC(-IS) 5SS
Bearing Size/Count per side1/4" / 9x9Spindle Markings"5SS";
{production code} (here:"C-4", for March 1984)
Fixed Cup MarkingsSAKAE SR-SC 36x24T JAPANAdjustable Cup MarkingsSAKAE SR-SC 36x24T JAPAN
Spindle StyleSquare Taper (Campagnolo)Axle MaterialSteel
Available ThreadingsItalian: 36mm x 24Length(s)145,5mm (incl. threads, as described in the catalogue)
Tools NeededSR BB Tool, Locknut Wrench & Fixed Cup Wrench &   
General Information
Some specs taken from the SR catalogue P-7 from Sept. 1982.

Dismounted from a Sakae/Ringyo (SR) Super Custom-5LA (144mm BCD) crankset

Reported By:ucaca
Report Date:2/27/2022
Report Reason:Incorrect Content,
Outstanding Report Submitted  
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

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WeightSourceNotesAdded By
376 GramsActualincl. spindle nuts Tombo
370 GramsSpecSR Catalogue P-7 (1982) Tombo
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