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Old 08-10-08, 12:21 PM   #1
dragongc
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Nishiki help

I just purchased a nishiki road bike from a guy on craigslist, but I cannot figure out what model this is... The only things i can find on the bike are:

All red eagle nishiki head badge
"5 speed" decal on top tube
a heart on the down tube
"FEMCO" sticker on the seat tube
"Product of Taiwan R.?.?" sticker on the bottom of the seat tube
"W.I.A" and "1" stamped on the bb shell
"G0380" or "G0880" on the right rear dropout
"765475" or "763475" on the left rear dropout
"TANGE-TF" on the front dropouts
cottered cranks

If anyone knows the model and year of this bike, it would be great. Also what the BB shell threading is. I hope its english because the cranks are misaligned and i'm hoping i can replace them.

I can post pictures later, right now the bikes apart while i was looking for a model or serial numbers...

Last edited by dragongc; 08-12-08 at 12:10 PM.
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Old 08-10-08, 01:53 PM   #2
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What you have is a 1980 or 1981 Nishiki 5-Speed (yes, "5-Speed" is the proper model name). The bottom bracket shell should be English threaded. This bicycle was a low end model intended for commuting, errands and liesurely rides. To-day, it would be classifed as a city bicycle.
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Old 08-10-08, 01:58 PM   #3
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Thanks so much! I thought 5-speed would be the model but I couldn't find anything online... Such a relief that it should be english threaded. last time i got a hercules and had to sell it because it had raleigh threading...

do you know why there isn't a serial number on the bottom bracket? the only thing there was a W.I.A off center and a number 1 that was crooked...
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Old 08-11-08, 05:10 AM   #4
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Quote:
Originally Posted by dragongc View Post
Thanks so much! I thought 5-speed would be the model but I couldn't find anything online... Such a relief that it should be english threaded. last time i got a hercules and had to sell it because it had raleigh threading...

do you know why there isn't a serial number on the bottom bracket? the only thing there was a W.I.A off center and a number 1 that was crooked...
Your model was manufactured by Giant in Taiwan. They simply prefered an alternate format and location for the manufacturing date and serial number. While the bottom bracket shell is the most common location for the serial number, it is not the only one. Other common locations include the dropouts (Giant, Raleigh), seat lug (Bianchi, Legnano),and head lug (Panasonic, Schwinn). These areas were popular because the material was thick enough that a heavy hand would not cause any damage. However, some manufacturers did stamp directly on the tubes. In such cases, the bottom of the seat tube tended to be the most popular location (Apollo, Kuwahara, CCM). Even then, you can find varaitions on the format and location within a brand, depending on the era and whether the frame was outsourced or manufactured in house.
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Old 08-11-08, 12:42 PM   #5
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oooo ok. Thanks so much for all the info! I don't think I would have ever figured this out on my own. I guess since it's a lower end model, it's not worth much =/ and since it has a lot of surface rust i'll go ahead and repaint the thing...

Thanks again!
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Old 08-12-08, 12:13 PM   #6
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Ok, i have another question for you T-Mar (or anyone else who would know the answer):

Does anyone know the stem diameter size for this bike? I am about to buy a 1" quill for it and I want to make sure it fits. I might just buy it though nevertheless cuz its only $5. However, i do have to drive a little far to get it... =/
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Old 08-13-08, 08:08 PM   #7
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I assume when you say a 1" quill", that you actually mean a quill stem for a 1" headset, as true 1" diameter quill stems do exist, but they are for modern, 1-1/4" headsets. A Nishiki of this vintage would use either a 22.2mm (7/8") or 21.15mm (sometimes erroneously refered to as 13/16") diameter stem. The former is most common but the latter was used on some cheaper models (i.e. those with thicker steerer tubes), so measurement of the current stem is warranted. Sometimes the diameter is stamped on the stem, below the insertion mark.

If the stem is not marked and you do not have calipers or a micrometer, it is still relatively easy to measure the diameter. Cut a strip of paper, about 5mm wide and 75mm long. Wrap it tightly around the stem, on a clean portion, and mark the paper where it overlaps the start of the wrap. Remove the paper and measure form the end to mark. Divide this measurement by 3.14 to calculate the diameter. Repeat the measurement once or twice to ensure accuracy. Using this method you should be able to determine the diameter within +/- 0.2mm of the true value.
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