Miyata 710 rear alignment issue
07-06-20, 08:58 AM
#1
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Miyata 710 rear alignment issue
I’ve been working on this 1982 Miyata 710. Just got a new to me set of cane creek wheels & some 33.3 soma supple vitesse tires. I put the rear wheel in the frame & it’s off center over the rear brake bridge. I’ve carefully centered it at the chain stays, but it doesn’t change the vertical misalignment. I put in another set of wheels that I know are dished correctly and the same issue appears. When I eyeball the rear wheel with the seatpost I can clearly see the top of the wheel is tilted to the right. Is this a drop out alignment issue, or an entire frame alignment issue? I took it for a ride anyway and man oh man is it sweet. Here’s some pictures to try and illustrate what I’m talking about.
Here’s a pic of the whole bike With the other set of wheels.
Here’s a pic of the whole bike With the other set of wheels.
07-06-20, 09:10 AM
#2
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Did you mount the wheel the other way, to confirm that it's the frame and not the wheel? Did you check that the rim is centered between the axle locknuts?
07-06-20, 09:26 AM
#3
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07-06-20, 09:50 AM
#4
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Check the frame alignment. It is easy to do and can be done with sting and a tape measure. I won't bother to explain how as there are a number of videos online detailing how to do this. As this is a steel bike straightening is very doable.
If the frame is straight then I would say you have an issue with the dropouts.
If the frame is straight then I would say you have an issue with the dropouts.
Last edited by bikeaddiction1; 07-06-20 at 10:26 AM.
07-06-20, 10:19 AM
#5
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Check the frame alignment. It is easy to do and can be done with sting and a tape measure. I won't bother to explain haw as there are a number of videos online detailing how to do this. As this is a steel bike straightening is very doable.
If the frame is straight then I would say you have an issue with the dropouts.
If the frame is straight then I would say you have an issue with the dropouts.
07-06-20, 10:44 AM
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Wharf Rat , I had the exact same problem with my 1974 Raleigh frame. I discovered that the stays on one side were slightly longer than the other. I doubt this is the case with your Miyata because they are built better than the 1970's era Raleighs. Take a look at this thread to see how I handled the problem...
https://www.bikeforums.net/classic-v...alignment.html
https://www.bikeforums.net/classic-v...alignment.html
07-06-20, 02:56 PM
#7
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branko_76 , I checked out your thread, very cool. Also way beyond what I’m capable of. I did the string test and it was out of alignment slightly, maybe 2mm Different at the seat tube measurement. Im not going buy a set of dropout alignment tools for one frame, so I’ll cobble something together from the hardware store. RJ the bike guys got a video where he makes some.
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07-06-20, 03:25 PM
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^^^^ I've had some success with RJ's "home version of the game".
