Thread: Miyata 600GT
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Old 07-13-20, 12:43 PM
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Dfrost 
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Join Date: May 2013
Location: Pacific Northwest
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Bikes: Ď87 Marinoni SLX Sports Tourer, Ď79 Miyata 912 by Gugificazione

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Welcome to C&V, home to many Miyata lovers. That 600GT cleaned up nicely! A lovely bike that now looks like new. What year is it? A quick perusal of several Miyata catalogs didnít reveal that model number and color, but maybe the Canadian versions were different?

https://www.ragandbone.ca/Miyata/miyata_selector.html

Give it a few more rides with the bar-end shifters. Many folks love them. If you decide to use something else, folks here will be happy to buy them and help you with a conversion.

If the rings and cogs are worn as you say, expect that the new chain will be even worse on them. But you might not need to replace all the rings, and individual 110/74 rings are readily available. Where are you located? Lots of us include that in our User CP data, which appears on the left, so we can help find useful resources like bike co-ops.

Replacing the freewheel or cassette - they are not the same, not sure which this bike has - will have no effect on feel or looks. They are considered consumables. Being friction-shifted, the brand or even speed count won't matter, assuming it fits on the hub and between the dropouts.

Doubt that a derailleur that looks that fresh is worn out. Not even a scuff mark! The derailleur hanger looks pretty straight in your last photo. Check for free play in the pivots, and be sure the mounting bolt is tight.

Last edited by Dfrost; 07-13-20 at 12:51 PM.
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