Model Number : X8KMCX8 8-speed ChainThe extremely durable X8 8-speed chain from KMC without directional dependency and half nickel plated for 6/7/8-speed derailleur systems.Features - X8Connector Missing LinkHi-PerformanceFor Shimano, Campagnolo and SRAM 9-speed derailleur systemsProduct featuresUse:MTB, Road Bike, TrekkingModel:X8Dimensions:1/2" X 3/32"Switching steps:6/7/8-speedCoating:Nickel PlatedDirectional design:NoConnector:Missing LinkBolt length:7.3mmLinks:114Colorsilver/blackWeight324g (manufacturer information)Scope of delivery1 KMC X8 inkl. Missing LinkKMCZ8 6/7/8-speed ChainThe Z8 chain from KMC without directional dependency can be operated on 6/7/8-speed derailleur systems.Features - Z8Connector Missing LinkFor Shimano, Campagnolo and SRAM 9-speed derailleur systemsProduct featuresUse:MTB, Road Bike, TrekkingModel:Z8Dimensions:1/2" X 3/32"Switching steps:6/7/8-speedDirectional design:NoConnector:Missing LinkBolt length:7.3mmLinks:114Colorsilver/greyScope of delivery1 KMC Z8 inkl. Missing Link Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store