The SHIMANO HG95 chain features SIL-TEC treatment and a directional construction for enhanced shifting performance.Group: Shimano DeoreXTMore efficient and silent, less maintenanceDYNA-SYS 10-speed special treatment chainDirectional chain, further evolution of shifting performanceStandard pinSHIMANO's ultra-low friction surface treatment SIL-TEC usedLength: 116 linksWeight: ~ 280 gOEM version: original Shimano HG95 chain is packed in a zip bag instead of retail carton packaging.To join a chain, a chain tool is required.Chain length shortening might be neccessary for your system.SIL-TEC - SHIMANOs ultra-low friction surface treatment. Superior to simple coating, SIL-TEC is an advanced plating process that improves system performance through the use of imbedded fluorine particles. SIL-TEC products run smoother and wear longer in all conditions.