The KMC X9 93 Chain features technology unique to KMC such as the bulls-eye pin riveting that provides unsurpassed side plate retention compared to others.
X-SP treatment: KMC's extreme stretchproof treatment of pins and plates makes this chain less susceptible to wear caused by sand or other exterior material invading into the chain bearings. Drastically enhancing durability.
High alloy material: Pins and plates, made out of special alloy material, reduces chain stretching and thus prolongs chain life.
X-Bridge: The x-bridge outer plate has been configured with precisely articulated angles for quicker and smoother gear shifting and quieter riding.