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| Category: | Bottom Brackets |
| Name: | Sakae/Ringyo (SR) RY-BBS |
| Brand: | Sakae/Ringyo (SR) |
| Model: | RY-BBS |
| Years: | 1980's |
| Country: | Japan |
| Weight: | 300 grams |
| Added By: | JFischer on 05/24/09 |
| Updated By: | JFischer on 06/03/09 |
Additional Photos - click for full size |
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| Bearing Size/Count per side | 1/4" / 9x9 | Spindle Markings | |
| Fixed Cup Markings | | Adjustable Cup Markings | |
| Spindle Style | Square Taper (ISO) | Axle Material | Steel |
| Available Threadings | English/ISO: 1.370 x 24;
French: 35mm x 1mm;
Italian: 36mm x 24 | Length(s) | |
| Tools Needed | Spanner, Locknut Wrench and Fixed Cup Wrench | | |
| Additional Resources |
| Resources: |  Reference & Charts Catalogs |
| Component Variations | View Detailed List Manage Variations |
| Variations of Component exist (Component is 1 of 2) | Brand | Group |
| Sakae/Ringyo (SR) RY-BBS-ESL | Sakae/Ringyo (SR) | |
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 vintage-trek.com...)
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