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| Category: | Cranksets |
| Name: | Sakae/Ringyo (SR) Super Custom (86mm BCD) |
| Brand: | Sakae/Ringyo (SR) |
| Model: | Super Custom |
| Years: | Early 1980's - Late 1980's |
| Country: | Japan |
| Added By: | PDXaero on 04/01/09 |
| Updated By: | Tombo on 02/01/16 |
Additional Photos - click for full size |
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| Chainring Count | Double | BCD  | 86mm |
| BB Style | Square Taper (JIS) | Pedal Threads | 9/16" x 20 (English) |
| BB Length | | Flutes | None |
| Lengths | 170 | Arm/Spider Material | Aluminum Alloy |
| Front Markings | SUPER CUSTOM | Back Markings | Arm Length, Production Code, JAPAN, SR, JIS stamp, 5 |
| Extractor Threading | 22x1mm (Standard) | | |
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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