Are you sure it wasn't worn out from its previous thirty years of use?
FC-M371 has steel chain rings, uses square taper, costs about $35, available in silver or black and "hybrid" or "MTB" gearing
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Genesis 49:16-17
"Well, well!" said Holmes, impatiently. "A good cyclist does not need a high road. The moor is intersected with paths and the moon is at the full."
Last edited by Darth Lefty; 11-18-19 at 11:03 AM.