Sakae/Ringyo (SR) Sakae SX Ovaltech
Main Photo
Category:  Cranksets
Name:  Sakae/Ringyo (SR) Sakae SX Ovaltech
Brand:  Sakae/Ringyo (SR)
Primary Group:  Sakae/Ringyo (SR) Sakae SX Ovaltech
Model:  Sakae SX
Years:  1985 - ?
Country:  Japan
Weight:  450 grams,
210G Left Crank Arm
Added By: jn316 on 09/03/14
Updated By: jn316 on 09/04/14
Additional Photos - click for full size
Sakae/Ringyo (SR) Sakae SX OvaltechSakae/Ringyo (SR) Sakae SX OvaltechSakae/Ringyo (SR) Sakae SX OvaltechSakae/Ringyo (SR) Sakae SX Ovaltech
 Verify Component Photos
Chainring CountTripleBCD 110mm / 74mm
BB StyleSquare Taper (JIS)Pedal Threads9/16" x 20 (English)
BB Length 127.5MM Shimano BB-UN55Flutes Crank Arm
Lengths 170Arm/Spider MaterialAluminum Alloy
Front MarkingsSAKAE SXBack Markings170 SR JAPAN 8
Extractor Threading 22x1mm (Standard)  
General Information
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Additional Resources
Resources:Reference & ChartsCatalogsGear Calculator
Component Groups
Primary Group NameBrandQuick InfoBrowse Group Components
Sakae/Ringyo (SR) Sakae SX OvaltechSakae/Ringyo (SR)View 1 Components
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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