Designed to perfectly compliment KMC`s line of chainsCarefully designed lifting and lowering shifting ramps ensure improved shifting, efficiency and stabilityOptimised gearing results in fewer large jumps in tooth count for smooth, predictable progressive shiftingShimano HG compatible interface11-36t9sp11,13,15,18,21,24,28,32,36BlackGMX9-3UPC/EAN/GTIN: 766759009465