bikinGreen CNC Chainring V3 48/31T For Shimano 4 Arm 9-12 Sp Road Cyclocross

Tooth: 48T out, 31T inner. Note : Only for Shimano 4 Arms system(R9100/R8000/R8100/R7100/R7000/6800/5800), not fit Tiagra, GRX and Sora.

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