Oneup components narrow wide xt m8000 single chainringthis no compromise narrow wide chainring saves more than 35g over a stock shimano ring with perfect chainline of 49mm you will benefit from a quieter drivetrain and improved chain wear reinforced wide tooth design provides maximum ring durability when run without a bash guard and aggressive crud chamfers give excellent mud shedding performance and extended ring life oneup components is a small team of passionate mountain bikers dedicated