Sakae/Ringyo (SR) Silstar SP-11
Main Photo
Category:  Pedals
Name:  Sakae/Ringyo (SR) Silstar SP-11
Brand:  Sakae/Ringyo (SR)
Model:  SP-11
Years:  Mid 1970's - ?
Country:  Japan
Weight:  185 grams
Added By: seaneee on 04/05/08
Updated By: ChuckK on 05/07/11
Additional Photos - click for full size
Sakae/Ringyo (SR) Silstar SP-11Sakae/Ringyo (SR) Silstar SP-11
Pedal TypePlatformPedal Threading9/16" x 20 (English)
Bearing SizeBody / Cage MaterialsAluminum Alloy
Axle MaterialSteel  
General Information
Designed as a touring pedal.
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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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