Oneup components narrow wide oval single chainringupgrade your 104mm sram 94mm or shimano 96mm symmetric bcd crank with oneups tried and tested narrow wide profile traction chainrings these oval chainrings give the ultimate in traction by smoothing out the torque delivered to your rear tyre 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 get ultim