Sakae/Ringyo (SR) SP-100AL
Main Photo
Category:  Pedals
Name:  Sakae/Ringyo (SR) SP-100AL
Brand:  Sakae/Ringyo (SR)
Model:  SP-100AL
Years:  Early 1970's - Mid 1980's
Country:  Japan
Weight:  345 grams (Spec),
Per Set (Catalog)
Added By: JFischer on 08/23/07
Updated By: Don Buska on 09/15/17
Additional Photos - click for full size
Sakae/Ringyo (SR) SP-100ALSakae/Ringyo (SR) SP-100ALSakae/Ringyo (SR) SP-100ALSakae/Ringyo (SR) SP-100ALSakae/Ringyo (SR) SP-100ALSakae/Ringyo (SR) SP-100AL
Pedal TypeQuillPedal Threading14mm x 1.25mm (French);
9/16" x 20 (English)
Bearing SizeBody / Cage MaterialsAluminium / Aluminium
Axle MaterialSteel  
General Information
Actually came in three versions:

SP-100AL - Described in this instance.
SP-100BL - Same as AL version except cage is in black.
SP-100CP - Same as AL except cage is a chrome plated Steel and weighs 420g/set

Similar to the Compagnolo 4021 (Super record Strada) and MKS Road pedals.
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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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