Ceramic Oversized Derailleur Pulley Wheel 13T/19T, Compatible with 105/Ultegra/Dura-Ace R7000 R7120 R7170 R8000 R9270 R8170

Ceramic Oversized Derailleur Pulley Wheel 13T/19T, Compatible with 105/Ultegra/Dura-Ace R7000 R7120 R7170 R8000 R9270 R8170

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