Stone 110bcd Colors Round Double Chainring 12s for Shimano 105 R7100 UT R8100 DA R9200 Road Bike 58 56 55 52 36T 53 39T 54 40T 50 34 48 46 32T
Stone 110bcd Round Double Chainring for Shimano 105 R7100 UT R8100 DA R9200 Road Bike 55 52 36T 53 39T 54 40T 50 34 48 46 32T
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