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What year did GT stamped chainring bolts begin being manufactured?  RSS Feed

#1 2017-11-14 1:47pm

DIPSOMANIAC
AdminNot this cracker
From: Barterville, Canada
Registered: 2010-02-01
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What year did GT stamped chainring bolts begin being manufactured?

Have some but trying to make my 85 GT Pro as era correct as i can


I'm letting the liquor do the thinking.....

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#2 2017-11-14 2:46pm

moshnmore
Pro MemberMoney pile
From: Milwaukee, WI
Registered: 2009-02-21
Posts: 2269
Bikes: 3

Re: What year did GT stamped chainring bolts begin being manufactured?

I thought it was about 88. Sugino stamped would be correct

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#3 2017-11-14 3:40pm

erichevy
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From: Marshall, MI
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Re: What year did GT stamped chainring bolts begin being manufactured?

I've had a few 85 GT power disc set ups and the bolts were always unstamped.  GT's usually had SR stuff so Sugino bolts might not be the way to go....

Era correct... Suginos would work just fine.  I misread your original question... lol

Last edited by erichevy (2017-11-14 3:42pm)


"I majored in punk rock" - Mike Watt

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#4 2017-11-19 7:03pm

Westsidemike1313
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Registered: 2017-11-19
Posts: 1

Re: What year did GT stamped chainring bolts begin being manufactured?

I'm trying to figure out what year this bike is and what it's worth in this condition. And what it's worth restored. Thanks

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#5 2017-11-19 7:21pm

troynlori
Pro Member"Pedal Peddler"
From: Virginia Beach, VA
Registered: 2009-11-22
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Re: What year did GT stamped chainring bolts begin being manufactured?

Famous post #1. They don't let you ask worth Mike, but post a picture anyhow.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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#6 2017-11-19 7:24pm

troynlori
Pro Member"Pedal Peddler"
From: Virginia Beach, VA
Registered: 2009-11-22
Posts: 11038
Bikes: 11
For Sale: 109

Re: What year did GT stamped chainring bolts begin being manufactured?

My factory 87 Robi had 'em.


Hutch Fun Facts: All main line Hutch's with digits only S/N (no letters or baseballs) on the rear drop outs were US made and had their dropouts stamped between late '83 and '86.  Obviously the frame manufacture would occur slightly after that, even if they just threw 'em in a bucket randomly.  There is an obvious date code in that the first 2 digits seem to be the month and the 3rd digit is pretty obviously the last digit of the year running from '83-'86.

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