Chainring Internal 22 Teeth - BCD 64mm Black in Anodized Aluminium CNC Compatible 시마노 Weight:42,4gr XONChainring Internal 22 Teeth - BCD 64mm Black in Anodized Aluminium CNC Compatible 시마노 Weight:42,4gr XON체인링 내부 22 이빨 - BCD 64mm 검정색 알루미늄 CNC 호환 시마노 무게:42,4gr XON