. Highly durable chain with a range of features that make this one of the best 8 speed chains available Technologies: . 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 and 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 and plates, made out of special alloy material, reduce chain stretching and prolong 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 Features: 1/2″ X 3/32″ 116 Links Pin length 7.3mm Compatible with 18-21 24 speed HG Half nickel plated Extremely durableKMC Chains. For many years KMC has enhanced the technology behind bicycle chains through research, development, continuous innovation and valuable feedback from the world’s top professional racers. KMC’s pursuit of perfection has led to repeatedly being honoured with the industry’s top design awards. KMC currently produces in excess of 100 million chains every year KMC only makes chains. All our R&D efforts focus on chains – this is how we always manage to create the best possible products for your drivetrain Service, top quality and reliability are always our top priority; consequently famous bicycle brands all over the world are now using KMC chains as original equipment on their bikes Compatibility & Durability. KMC’s derailleur chains are compatible with any system. In fact KMC does not distinguish between MTB and road chains. Product designations clearly indicate their usage, for example theX10-series fits any 10-speed system Compared to other renowned chain brands, KMC X-series chains live longer – as proven in many road tests. To back up this claim KMC is the only chain manufacturer offering a unique satisfaction warranty Buy KMC Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.