Oneup components narrow wide single chainringupgrade your sram 94mm or shimano 96mm bcd crank with oneups tried and tested narrow wide profile chainring 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 features narrow wide tooth profile eliminates chain drop with