Juscycling 12-Speed Front Direct Mount Chainring Lock
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Product Details
Works with 12S direct-mount front chainring of M7100 M8100 M9100 M9120 crankset for removal of lock ring Made of high strength aluminum alloy material CNC machined to exact tolerance for better force transition Double o-ring sealing to avoid tool sliding during usage, which may cause lock ring damage Light weigh of 40g. Easy to carry and use