The KMC X8-93 8 Speed Chain. The chains unique KMC bulls-eye pin riveting provides unsurpassed side plate retention. 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. The Pins and plates are made out of special alloy material, that reduces chain stretching and thus prolongs chain life. The x-bridge outer plate has been configured with precisely articulated angles for quicker and smoother gear shifting and quieter riding. KMC X8 93 8Speed Silver/Grey Chain Features ½in x 3/32in Extra stretchproof mushroomed pin enhanced durability 8spd Silver/grey Includes missing link Extremely durable Low maintenance & high reliability More info