Sram GX Eagle AXS Dub 12 speed group kitKit Includes:GX Eagle Transmission DUB Wide Crankset (170 or 175)10-52t GX Eagle Transmission CassetteGX Eagle Transmission AXS derailleur GX Eagle Pod Controller shifterGX Transmission Flattop ChainAXS Battery & Charger170x32 DUBDark PolarUPC/EAN/GTIN: 710845892943