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Old 01-05-09, 02:45 PM   #1
crock
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Miyata 610 vs 1000

Does anybody know what differences in the frame there are between a 1989 Miyata 610 GT and a 1000? I am interested to know how far my 610 is from the "ideal" 1000. Thanks.
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Old 01-05-09, 02:57 PM   #2
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Might want to ask this in classic and vintage. Those guys know the older stuff well.
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Old 01-05-09, 03:41 PM   #3
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Here is a link to the 1989 Catalog --
http://www.miyatacatalogs.com/2007/1...alog-1989.html
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Old 01-05-09, 09:45 PM   #4
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The frame and fork on the 1000 was a little higher quality than the frame and fork on the 610, as were its components. I believe (but am not sure this is true for all the years) that the frame on the 1000 was made from splined tubing. The 610 has a very good quality frame, though. The tubing for the 610 was made in-house by Miyata. The 610 may not have the sex appeal of the 1000, but it's a great bike (I have one). I'm wondering if you have the year of your bike correct, though, cause by '89 I believe it was a 618. My guess is your bike may be more like an '84 if it is a 610 (browse the catalogs). Also, as already suggested, put a post in the vintage forum and you'll get much more info than I can give you.

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Old 01-06-09, 05:47 AM   #5
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semith,

I'd bet the 610 and 1000 have the same basic frame. The difference is in fork and gruppo. That's the basic way Japanese bikes worked back then-- companies made 4-5 frames and 8-10 models of bikes. I can't see Miyata having the need for 2 different touring frames.
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Old 01-06-09, 06:46 PM   #6
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The catalog seem to suggest different tube sets, but the same geometry. On a touring bike though I would say geometry is the main thing that matters in the frame. The tubes don't matter that much as long as they aren't complete crap which these definitely not. Also the components on the 1000 were a bit nicer, but the 610 is still a very nice bike.
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Old 01-06-09, 08:05 PM   #7
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Quote:
Originally Posted by tacomee View Post
semith,

I'd bet the 610 and 1000 have the same basic frame. The difference is in fork and gruppo. That's the basic way Japanese bikes worked back then-- companies made 4-5 frames and 8-10 models of bikes. I can't see Miyata having the need for 2 different touring frames.
You may be right by the mid 80's. Mine is an '81. That year the Miyata catalog said that the 1000 was made of Tange tubing, the 610 was Miyata's own tubing. The forks were also slightly different and the frame geometry was also slightly different. The 610, I've read, had a stiffer frame. It has a pretty sweet ride, loaded or not, in my opinion. Later catalogs in the 80's specified splined Miyata tubing on the 1000. My wife has a mid/late 80's 615 that has splined, triple butted Miyata tubing. So at least by then, you might be right that they were using the same frame on both bikes. The catalogs are kind of vague, and there's not much info on the web. So I guess we 600 series owners could hope (without further proof) that our 600 series frames were 1000 series frames in disguise, but I'm sure the people who spent the bucks on the 1000 series bikes would disagree
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