Bulls-Eye pin: The unique KMC bulls-eye pin riveting provides unsurpassed side plate retention. X-SP treatment: KMC's extreme stretch-proof treatment of pins & plates makes this chain less susceptible to wear caused by sand or other exterior material invading the chain bearings. This drastically enhances durability. High alloy
Material: Pins & plates, made out of special alloy material, reduce chain stretching & prolong chain life. X-bridge: The x-bridge outer plate has been configured with precisely articulated angles for quicker & smoother gear shifting & quieter riding.