85 Japanesse GT Pro Performer Serial Number Question  RSS Feed

#1 2012-11-20 8:57pm

hd469@aol.com
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85 Japanesse GT Pro Performer Serial Number Question

I have a chrome 85 GT Pro Performer made in Japan serial number starting 5X07 and ending with a baseball stamp on the rear drop out and i know that its a July built 85 but what i want to know is if the remanding numbers mean production count?

Last edited by hd469@aol.com (2012-11-20 9:01pm)

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#2 2012-11-20 9:05pm

Kid718
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Re: 85 Japanesse GT Pro Performer Serial Number Question

Here's my Japanese made, 85 PP serial...on the BB;
http://i3.photobucket.com/albums/y87/ribz277/020_zps8ec18271.jpg


Would trade any bmx for watches/cufflinks.

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#3 2012-11-21 12:01am

sparky
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Re: 85 Japanesse GT Pro Performer Serial Number Question

X refers to September, here's a breakdown of the Koizumi serial format http://www.os-db.net/content.php?227-Ko … l-overview


Please could I request for the time-being that you do not contact me direct for information. Thank-you

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#4 2012-11-21 8:49am

SARON81
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Re: 85 Japanesse GT Pro Performer Serial Number Question

Yes, the numbers after the date code would be the production sequence... but remember they were building frames at different factories, so even if you have xxxx0001 it might not be the first production model.

Last edited by SARON81 (2012-11-21 9:32am)

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#5 2012-11-21 12:13pm

sparky
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Re: 85 Japanesse GT Pro Performer Serial Number Question

SARON81 wrote:

Yes, the numbers after the date code would be the production sequence... but remember they were building frames at different factories, so even if you have xxxx0001 it might not be the first production model.

Fabrication of BMX which started in 1979 at Koizumi, all came from a single factory regardless of Brand. Some items such as Forks (later in 1983) were outsourced to Tange and Hokuyo kogyo though it is understand there were streams of number sequences allocated to a specific Brand, although there have been indications that was not always the case. smile


Please could I request for the time-being that you do not contact me direct for information. Thank-you

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