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Nishiki Serial Number Database

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Nishiki Serial Number Database

Old 01-05-24, 09:52 AM
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anyone?
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Old 01-05-24, 09:53 AM
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Originally Posted by CNRed
Where might I find the Serial number on a Nishiki Meridian, 7000 Series Aluminum Alloy frame. I've looked at the bottom bracket, rear chain stays, all the usual places, can't find it. I believe the bike to be built in the early 90's from a date printed on the rear hub, "1994" that's the only hint I have.
anyone?
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Old 01-05-24, 10:25 AM
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Originally Posted by CNRed
anyone?
Have you looked under the cable guide?
edit for clarification: remove the plastic cable guides on the bottom bracket.

Last edited by MrGastrognome; 01-05-24 at 10:37 AM.
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Old 01-05-24, 10:43 AM
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Originally Posted by MrGastrognome
Have you looked under the cable guide?
edit for clarification: remove the plastic cable guides on the bottom bracket.
I just pulled the cable guide, not there. Pretty strange, I cant seem to locate it anyplace. Dis Nishiki build any of thse without a serial number?
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Old 01-05-24, 11:03 AM
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Originally Posted by CNRed
I just pulled the cable guide, not there. Pretty strange, I cant seem to locate it anyplace. Dis Nishiki build any of thse without a serial number?
Beats me. I've heard of other Meridians hiding the number under there. All I know is it's from after West Coast Cycles sold the Nishiki brand to Derby ('89) so it's probably a Taiwanese (Giant) made frame.
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Old 01-05-24, 11:34 AM
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Originally Posted by MrGastrognome
Beats me. I've heard of other Meridians hiding the number under there. All I know is it's from after West Coast Cycles sold the Nishiki brand to Derby ('89) so it's probably a Taiwanese (Giant) made frame.
I'll keep looking, it's a pretty nce looking bike, has a gray and white spatter paint, nice finish. I've looked every place I've ever found a serial number on any bike. I still have some work to do on it, maybe i"ll find it by mistake.
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Old 01-05-24, 11:48 AM
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Did you look on the inside face of the derailleur hanger and droupouts?
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Old 01-05-24, 11:52 AM
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Originally Posted by trainman999
Did you look on the inside face of the derailleur hanger and droupouts?
I haven't had the back wheel off as of yet, I'll take a look, thanks
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Old 01-05-24, 01:50 PM
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Originally Posted by trainman999
Did you look on the inside face of the derailleur hanger and droupouts?
Just pulled the back wheel, no joy.
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Old 01-08-24, 03:11 PM
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Originally Posted by Mad Dan Eccles
. . .
however it has no details
as to what model it is. Would anyone be able to ID it from the serial number?

KJ 14378
Hello Mad Dan Eccles,
Welcome to the forum.

It is not possible to identify the model with this serial number. It is possible to identify the year of frame manufacture and the country the frame was destine for.

K = USA market
J = year 0, or 1980 year of manufacture.

Probably a 1981 model year.

Put some pictures in your forum album. You may not be able to add then to your posts yet, but other forum members can look at your album, found here:

https://www.bikeforums.net/g/user/573611
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Old 01-08-24, 03:16 PM
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Originally Posted by CNRed
Where might I find the Serial number on a Nishiki Meridian, 7000 Series Aluminum Alloy frame. I've looked at the bottom bracket, rear chain stays, all the usual places, can't find it. I believe the bike to be built in the early 90's from a date printed on the rear hub, "1994" that's the only hint I have.
The serial number may be on the bottom bracket shell under the plastic cable guide.

It will in all probability not be a Giant serial number. Derby dropped Giant as a supplier of bicycles for Nishiki brand in the USA.

Last edited by Hummer; 01-08-24 at 03:23 PM. Reason: more info
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Old 01-08-24, 03:20 PM
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Originally Posted by CNRed
I'm building a 1990 Nishiki Ariel, and I'd like to keep it as close to original as I possibly can. I bought the bike as a frame without a front fork. I'm at a point where I'm looking for the fork that fit this bike. It seems there may be a few other bikes that used the same front fork as my Ariel.
the fork is a little odd in that it is staight from the crown to the axel with no curve in the fork legs at all.
I'm a little in the dark about the specifications of this fork and looking for someplace that will list the specs of this fork, ie: steerer tube length, fork leg length and so on.
I have three questions for the Nishiki experts out there,
1, Will the forks from an older Nishiki Cascade, or Raleigh Technium or Diamondback Apex of approximately the same year fit?
2. Will the 26" forks from a smaller framed Nishili fit like forks from a 17" frame fit on a 19" frame.
3. Anyone out there have a fork that will fit?
TO get your questions answered you may be better off starting a seperate thread for this bicycle.
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Old 01-11-24, 06:57 AM
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Originally Posted by Hummer
Hello Mad Dan Eccles,
Welcome to the forum.

It is not possible to identify the model with this serial number. It is possible to identify the year of frame manufacture and the country the frame was destine for.

K = USA market
J = year 0, or 1980 year of manufacture.

Probably a 1981 model year.

Put some pictures in your forum album. You may not be able to add then to your posts yet, but other forum members can look at your album
Uploaded pics to album.
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Old 01-11-24, 01:03 PM
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@Mad Dan Eccles

Picture assist


First, the fork is not original.

As best I can tell it looks like a Custom Sport model. However, the 1981 catalogue does not list that colour for the Custom Sport.

The 1980 and 1981 Custom Sport frame was Toshiba High Tensile Tubing.

Edit: I have seen examples of the 1980 Custom Sport with this colour.

Last edited by Hummer; 01-11-24 at 01:16 PM. Reason: More info
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Old 01-11-24, 01:39 PM
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Originally Posted by Hummer
@Mad Dan Eccles

First, the fork is not original.

As best I can tell it looks like a Custom Sport model. However, the 1981 catalogue does not list that colour for the Custom Sport.

The 1981 Custom Sport frame was Toshiba High Tensile Tubing.
So going on the basis that everything but the fork is what its meant to be, what would I need to be looking for in regards front cog for the chain, front wheel, seat and tube, handlebar accoutrements and brakes to get this looking like a bicycle and rideable again?

And would it have originally been a single/fixed speed as this appears to be going off the rear cog for the chain, or has it been altered?
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Old 01-11-24, 05:02 PM
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Originally Posted by Mad Dan Eccles
So going on the basis that everything but the fork is what its meant to be, what would I need to be looking for in regards front cog for the chain, front wheel, seat and tube, handlebar accoutrements and brakes to get this looking like a bicycle and rideable again?

And would it have originally been a single/fixed speed as this appears to be going off the rear cog for the chain, or has it been altered?
The 1980 Custom Sport was a 12 speed with drop handlebars and came with some Shimano 600 components.

The only component on the frame that may be original is the bottom bracket. To restore this bicycle you will need to find all the components. Before you begin you need to ask yourself "Is this the frame I want to use to restore to a bicycle?" . What ever bicycle you choose to restore, it will take time, patience, and willingness to learn, among other thing. You may want to start a new thread to get assistance from Bike Forum members.
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Old 01-12-24, 07:46 AM
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Nishiki Pinnacle 1999 ish?

Here's mine. It hasn't been ridden in a few years so just took it out of my utility room. I'm getting back into road and will likely tune this up to riding shape again too. I got this after I graduated from college so I know when I bought it but don't know if it was that model year or the previous years. This is a solid bike. I love it. I can't fully remember but I believe it's all stock except the tires. I put on a slightly more slick tire for city riding. I may have also put on the handle bar grips as they deteriorated. Thoughts?

Serial # J12300048 or R926170234

Deore LX with Sugino CSS III cranks.
I put on Shimano PD-M540 pedals.
Weinmann Syncros wheels




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Old 01-15-24, 07:17 PM
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Hey guys! having a hard time decoding the serial number of my Nishiki Navajo MTB

Bought in in Quebec, Canada for like 20 bucks, has an English/French "request owner's safety manual'' sticker on the top tube and parts seem to be Shimano Tourney (1992 for the crankset and 1989 for the RD), im just curious about the serial since it doesn't seem to match with any of the other formats, let me know if any of y'all got a similar case

Drive side number: JCC92

Non drive side number: 01009U(or 0?)31
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Old 01-16-24, 10:20 PM
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Originally Posted by howaboutme
. . . Thoughts?

Serial # J12300048 or R926170234

The R serial number is from the era when Derby Cycles owned the Nishiki brand in the USA.
92617 is a date.
9 is the decade
261 is the day of the year
7 is the year of the decade.
The frame is from day 261 of year 1997.
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Old 01-16-24, 11:30 PM
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Originally Posted by trashenthusiast
. . .

Drive side number: JCC92

Non drive side number: 01009U(or 0?)31
Hello trashenthusiast,

welcome to the forum and thank-you for posting the information about your bicycle.

Your pictures are located at this link: https://www.bikeforums.net/g/picture/32382903

Picture assist



This serial number is for Canadian models and is probably from the time when Norco distributed the Nishiki brand. Several Norco MTB models from this year have similar serial numbers.

I would suggest that the serial number is UCC92 01009031.

The 92 is for the year of frame manufacture and the next digits 01 are for the month of January.

The frame is not from Kawamura in Japan.
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Old 01-17-24, 12:46 AM
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Tysm Hummer!

It answers my question, i was so confused since not many people seem to have this model or type of serial, at least i have a good idea of it's time period )
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Old 01-17-24, 06:00 AM
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Originally Posted by Hummer
The R serial number is from the era when Derby Cycles owned the Nishiki brand in the USA.
92617 is a date.
9 is the decade
261 is the day of the year
7 is the year of the decade.
The frame is from day 261 of year 1997.
Thank you!
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Old 04-08-24, 10:23 PM
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KJ 05825

What's the deal with the big 'M'? or 'W'?

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Old 04-09-24, 09:55 AM
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Originally Posted by Piff
KJ 05825

What's the deal with the big 'M'? or 'W'?

I believe that is the insignia for Western States Imports.
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Old 04-11-24, 12:06 PM
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Originally Posted by Piff
KJ 05825

What's the deal with the big 'M'? or 'W'?
Symbol for West Coast Cycle (& Supply Company) in California.

The symbol is "CWC" with the first "C" backwords,
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