Sakae/Ringyo (SR)
Brand Directory
Country:JapanPrimary Focus:Components
Years of Operation:N/A
General Information
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

View Search List by Category (# in Category)
View AllBottom Brackets (3)Chainrings (3)Cranksets (39)
Handlebars (6)Hubs (2)Pedals (15)Seat Posts (17)
Small Parts & Accessories (4)Stems (14)  
Recent Added / Updated Components
Component NameCategoryAdded / Updated
Sakae/Ringyo (SR) RY-S5, Royal PistaCranksets03/20/2022
Sakae/Ringyo (SR) VT (Vitesse), Track Racing GroupStems03/18/2022
Sakae/Ringyo (SR) RY-P1 (ROYAL P1), Track Racing GroupSeat Posts03/17/2022
Sakae/Ringyo (SR) AX-5LASL, APEX-5LA Super LightCranksets12/20/2021
Sakae/Ringyo (SR) AX-3FA, APEXCranksets12/19/2021
Component Groups
Group Name - View DetailsQuick InfoView All Components
 - CustomList 7 Components
 - FOURSIRList 2 Components
 - Sakae/Ringyo (SR) Sakae SX OvaltechList 0 Components
 - Sakae/Ringyo (SR) Sakae SX OvaltechList 1 Components
 - Silstar Single SI-SList 1 Components
 - Track Racing GroupList 0 Components
 - Track Racing GroupList 3 Components
Bicycles & Frames
View Search List by Category
Road Race   
Recently Added / Updated Frame Models
Frame ModelCategoryAdded / Updated
SR AeroRoad Race11/30/2010
search Sakae/Ringyo (SR) Frame Collection Overview
Head Badge Gallery
Metal Attached   
Photo Selection from Recently Updated Items
Additional Resources
Catalog NameSourceFile SizeDate Added
Sakae No.18 - early 80'sEquusBicycle.comN/A2/19/2008
Sakae No.17 CatalogVeloBase9,113kB11/4/2011
Sakae No.P-7 Catalog (1982)VeloBase6,137kB11/4/2011
Sakae Pedals - Hubs (1970's?)VeloBase1,589kB11/4/2011
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