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| Category: | Cranksets |
| Name: | Sakae/Ringyo (SR) Signature |
| Brand: | Sakae/Ringyo (SR) |
| Model: | Signature |
| Years: | N/A |
| Country: | Japan |
| Weight: | 493 grams (Actual), Arms only |
| Added By: | jtan on 09/06/12 |
| Updated By: | jtan on 02/12/13 |
Additional Photos - click for full size |
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| Chainring Count | Double | BCD  | 110mm |
| BB Style | Square Taper | Pedal Threads | 9/16" x 20 (English) |
| BB Length | 115mm | Flutes | None |
| Lengths | 165 | Arm/Spider Material | Aluminum Alloy |
| Front Markings | ‘Signature’ on drive-side crank | Back Markings | SR Japan |
| 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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