E12 BlackTech Chain 130LBlackTechStays black permanently. KMC BlackTech is not a mere coating; it's a surface treatment that integrates the color into the material. The process involves two steps: first, each individual chain component is treated, and then the procedure is repeated with the assembled elements. As a result, the chain maintains its deep black color permanently and exhibits exceptional rust resistance. 1/2" X 11/128" Pin Length: 5.2 mm 130 Links Colour: Black Hi-Performance Triple X-Durability e-Bike Non Directional Compatible with all 12x drivetrains Weight: 272 grams E12 Ti-N Chain 130LTitanium nitride is a chemical compound composed of the elements titanium and nitrogen. This ceramic material, typically golden yellow in color, is known for its exceptional hardness and corrosion resistance. KMC's special Titanium Nitride coating not only has an attractive appearance but also features an ultra-smooth surface and exceptional durability. 1/2" X 11/128" Pin Length: 5.2 mm 130 Links Colour: Gold Hi-Performance Triple X-Durability e-Bike Non Directional Titanium Nitride Gold coated Compatible with all 12x drivetrains Weight: 272 grams
