I just aquired this bike to replace the crushed 312 my wife ran over. It looks to be a step or two up the food chain from the 312, with adjustable rear dropouts, a chain peg, and nicer Shimano conponents (execpt for the Signature crankset). There are no markings on the top tube, the Miyata logo is only on the right side of the downtube, and the seattube has the 'triple butted cromo' decal on top and a 'Made in Japan' logo on the bottom. Can you ID this beast, or do you need more data/better pictures?
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