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Show Your Miyata 1000!

Old 05-14-22, 01:48 PM
  #201  
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I have a Miyata 1000 frame and fork and I need to buy a bottom bracket for it. The rear dropouts are 126mm, and the bottom bracket shell is 68mm. It was origionally a 15 speed set-up (1983 or 1984ish), and I am happy to keep it that way. When I ask about the correct bottom bracket overall axle length and length on the drive and non-drive side - the answer is always "it depends upon the crankset".

I do have a Shimano Deore triple (#1 choice) that I could use, or I could use a Sakae SX double in a pinch.
I intend to keep it as a 5 or 6 speed rear.

It came to me with a Suntour VX(?) bottom bracket that was adjustable left and right. It lacked both lockrings, was stuck, and had to be destructivly removed. I'm not sure that this was the origininal BB or a replacement, and I am not sure that the set-up as found was correct. In any case that is gone now.

What I found was an axle that was 117-117.5 mm in length.
The end of the axle on the drive side was 30mm from the shell.
The end of the axle on th non-drive side was18.5mm from the shell.

Any suggestions?
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Old 05-14-22, 02:27 PM
  #202  
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Originally Posted by dweenk
I have a Miyata 1000 frame and fork and I need to buy a bottom bracket for it. The rear dropouts are 126mm, and the bottom bracket shell is 68mm. It was origionally a 15 speed set-up (1983 or 1984ish), and I am happy to keep it that way. When I ask about the correct bottom bracket overall axle length and length on the drive and non-drive side - the answer is always "it depends upon the crankset".

I do have a Shimano Deore triple (#1 choice) that I could use, or I could use a Sakae SX double in a pinch.
I intend to keep it as a 5 or 6 speed rear.

It came to me with a Suntour VX(?) bottom bracket that was adjustable left and right. It lacked both lockrings, was stuck, and had to be destructivly removed. I'm not sure that this was the origininal BB or a replacement, and I am not sure that the set-up as found was correct. In any case that is gone now.

What I found was an axle that was 117-117.5 mm in length.
The end of the axle on the drive side was 30mm from the shell.
The end of the axle on th non-drive side was18.5mm from the shell.

Any suggestions?
What generation of Shimano Deore do you have? Could you take a photo of it?
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Old 05-14-22, 02:40 PM
  #203  
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Originally Posted by philpeugeot
What generation of Shimano Deore do you have? Could you take a photo of it?
It is Deore SG (mountain bike, 46-38-24).
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Old 05-14-22, 02:51 PM
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Originally Posted by dweenk
It is Deore SG (mountain bike, 46-38-24).
I think a 120mm BB spindle and BB spacers should do the trick.
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Old 05-14-22, 03:13 PM
  #205  
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Originally Posted by philpeugeot
I think a 120mm BB spindle and BB spacers should do the trick.
Doh - Homer emoji here. That is what the Suntour bottom bracket was all about, an adjustable bottom bracket and no fixed cup, just lockrings on both sides with sealed bearings. That was another good design from Suntour.
But the spacers (looked like cups for a conventional bb) were aluminum or some other similar alloy and bonded to the bottom bracket shell after time. Why? I can think of at least two reasons.
1. Ignoring the possibillity that different metals may bond.
2. Not using an agent (grease or anti seize) in assembly.

Last edited by dweenk; 05-14-22 at 03:33 PM.
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Old 05-23-22, 12:26 PM
  #206  
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I have one of those Miyata 1000 frames from around 1983 that was painted in a deep blue, almost going toward violet - you can see photos of the color I speak about on this forum. Anyone know of a matching paint or nail polish color? Like this one. Not mine - the paint is in worse condition on mine.



I am tempted to polish it and leave the patina. Got the right sized seatpost on Sunday, and now I have it in the stand. I'm still waiting on the bottom bracket.
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Old 05-23-22, 03:37 PM
  #207  
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Test fitting a triple with the new bottom bracket (Sunlight/Tange SL26). Looks OK. Oh, the clamping bolt for the seatpost is weird. It requires two tools, a big a** screwdriver on one side and an allen wrench on the other. Right now I am using a quick release from a mountain bike or cruiser.

Last edited by dweenk; 05-23-22 at 04:02 PM.
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Old 06-14-22, 12:24 PM
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Sold for $380 in Montreal, I found the sold listing by accident and couldn't believe that I missed it. The worst part is that it was sold as Miyata One Tousend and I guess it never appeared in my searches and I have only seen one Miyata which was written One Thousand instead of 1000 until this thread.
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Old 10-07-22, 08:58 PM
  #209  
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Here is my 1987 Miyata 1000LT, in nearly final form. It is replacing my ‘83 Expedition, which was 56cm and just a bit too big.
This 53cm beauty is PERFECT.




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Old 10-07-22, 10:05 PM
  #210  
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Originally Posted by Gaff

Changed mine up a bit. A pleasure to ride!
Hello, what would be the name of the type of bars you've got on there?
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Old 10-08-22, 10:00 AM
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Hello

Thanks for the message. These are from DIRT Research. Unfortunately there is no other name or number on them. I bought them online years ago. Have been on and off a couple of bikes. I really like them.

I wish I could give you more information.
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Old 08-09-23, 09:05 PM
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Update

Finally got everything dialed in just right with my 1987 1000LT.
I now call him FaramirBike: Captain of Ithlien.

I was looking for one for YEARS when this popped up in the local Marketplace, in my perfect 53cm size. It came to me CHERRY, clean, barely ridden, and bone-stalk to the point that it still had the original foam handlebars. I really dig the shiny black wheel interiors.

I have kept the original Shimano 600 group all around, but moved the shifters to the bar-ends. I was able to keep the same shifters using an adapter that Rivendell sells.. Also the Deore XT derailleurs and the Biopace chain rings.

What I have added and changed:
-Nitto Albastache bars. I’ve never been one for drops, but these have always agreed with me.
-Black and yellow cork tape. Super comfy.
- Dia-Compe dummy levers for more grip options.
-Portland Design Works Alexander Graham Bell
-Nitto Dirtdrop stem
-Brooks B67 saddle
-MKS Monarch Pedals
-Rene Hearse Bon Jon Pass 35 tires
-Nitto Campee Large rear rack
-VO Moderniste bottle cage
-Sackville Bag











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Old 08-24-23, 05:04 PM
  #213  
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A surprise encounter when I went out for a ride yesterday.


Mine is the cooler one.
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Old 08-24-23, 05:11 PM
  #214  
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Originally Posted by mattia76
Finally got everything dialed in just right with my 1987 1000LT.
I now call him FaramirBike: Captain of Ithlien.

I was looking for one for YEARS when this popped up in the local Marketplace, in my perfect 53cm size. It came to me CHERRY, clean, barely ridden, and bone-stalk to the point that it still had the original foam handlebars. I really dig the shiny black wheel interiors.

I have kept the original Shimano 600 group all around, but moved the shifters to the bar-ends. I was able to keep the same shifters using an adapter that Rivendell sells.. Also the Deore XT derailleurs and the Biopace chain rings.

What I have added and changed:
-Nitto Albastache bars. Ive never been one for drops, but these have always agreed with me.
-Black and yellow cork tape. Super comfy.
- Dia-Compe dummy levers for more grip options.
-Portland Design Works Alexander Graham Bell
-Nitto Dirtdrop stem
-Brooks B67 saddle
-MKS Monarch Pedals
-Rene Hearse Bon Jon Pass 35 tires
-Nitto Campee Large rear rack
-VO Moderniste bottle cage
-Sackville Bag











Your handlebar looks like it's ready to attack.
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Old 08-24-23, 09:19 PM
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That’s right!
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Old 10-23-23, 05:33 PM
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Excellent tape - really pops with the stickers!
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Old 05-20-24, 09:26 AM
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My first Miyata!

Just picked up an 89 1000LT in 57cm tt from a fella down my street here in Nelson BC, Canada. It needed some TLC -cracked left crankarm, bearing grease dried out, drivetrain worn. Looks good and rides well now though!

As purchased (site did not permit upload as Im a new user)

Fresh rebuild ()
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Old 05-20-24, 10:30 AM
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I don't know if this quite fits here, but it is basically a rebranded Miyata 1000.

I was fortunate enough to find a very well priced Univega Specialissima yesterday, after spending an unhealthy amount of time on Craigslist and FB Marketplace over the past few months searching for a decent tourer.

It seems to have sat for decades, perhaps, and needs a thorough service, but is otherwise in great shape and I'm very excited.

Some questions: opinions on this rear derailleur? I have read it had questionable reliability, and I'm not entirely a fan of this frame being made specifically for it. If I go touring somewhere and have problems, any other bike you could swap a different derailleur onto and at least be mostly functional, but not so with this one

How much of a problem is a freewheel on a touring bike? I've heard it can lead to bent axles?

Is there any wisdom as far as converting to 700c? I have no plans to do so yet, but if I took it out I'd the US it would be nice.





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Old 05-20-24, 11:04 AM
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Originally Posted by Muffins
I don't know if this quite fits here, but it is basically a rebranded Miyata 1000.
Some questions: opinions on this rear derailleur? I have read it had questionable reliability, and I'm not entirely a fan of this frame being made specifically for it. If I go touring somewhere and have problems, any other bike you could swap a different derailleur onto and at least be mostly functional, but not so with this one.
Congrats on your new acquisition, Muffins. I have no experience with this derailleur, but if you want to swap it out for a more conventional choice, it would be best if you also obtain a chainstay derailleur cable guide like this one:
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Old 05-20-24, 12:32 PM
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Originally Posted by philpeugeot
Congrats on your new acquisition, Muffins. I have no experience with this derailleur, but if you want to swap it out for a more conventional choice, it would be best if you also obtain a chainstay derailleur cable guide like this one:
Yeah, that seems to be what I'm looking for. I'm thinking I could just mount it where the red dot is in the picture, and if this derailleur should fail, any old bike shop can easily enough throw on new cable, housing, and an old Deore/MTB derailleur.


Last edited by Muffins; 05-20-24 at 05:54 PM.
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