Anillo en cadena CNC bikinGreen 46/30T FoR Shimano 4 brazos 10-12 velocidades ciclocross recorrido por carretera

Tooth: 46T out, 30T inner. Note : Only for Shimano 4 Arms system(R9100/R8100/R7100/R8000/R7000/6800/5800), not fit Tiagra, GRX and Sora.

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