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Corona Shimano Dura Ace 12s NK Size:50t Shimano 105 FC R7100 12 speed crankset Shimano 105 FC R7100 12 speed crankset with 50 34 chainrings and 172 Men's short sleeved model Check that the size matches your crankset's current chainring to maintain the correct pairing It is available in size 50t
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