Double for R7000 R8000 R9100

Double for R7000 R8000 R9100

Stone 110bcd Round Double Chainring Aero for Shimano 105 R7100 UT R8100 DA R9200 Di2 Road Bike 58 55 52 36T 53 39 54 40 50 34 48 46

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STONE Road Bike Front Derailleur Extender for SHIMANO Di2 105 R7170 R8170 R9250 R8150 FORCE AXS 12s raise lower height

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Stone 110bcd Chainring 11s for Shimano 105 R7000 R8000 R9100 Double Chainring Road Bike 52 36T 53 39T 54 40T 50 34 48 33T 5800 6800

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