Originally Posted by
poorcyclist
I only use the miyata for road rides, mostly 100km rides, its got about 430km on it now and its been a hard battle to find the right fit (legs feel great, upper body and hands not so great). I recently purchased deda215 bars for it (original bars were 40cm outside to outside!!! I needed 44 :O) and look keo pedals with shoes.
From about 54cm on up Miyata road bikes tend to have relatively short top tubes in proportion to the seat tube. My 57cm 512 required a 100mm stem to give the same (quite comfy) seatpost to handlebar distance as my 56cm Moto.
As to upgrades, yeah, sure, absolutely! The Miyata frames are VERY well build, albeit not as light as some even in the day. My '87 512 was updated to early 90's spec: and my own '82 710 is being built up with a mix of stuff from the mid-seventies to made yesterday.

I realize you have 'state of the art' comps in mind, but if it's what will keep you on the bike go for it.
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