Product Description With the new oval chainrings from Race Face you can make the most of the stiffness values, with all 10-, 11- or 12-speed drivetrains. Oval chainrings offer improved traction control compared to conventional round ones, especially at high torque and low cadence. Specifications:Application:Cross Country, Trail, All Mountain, EnduroMount:Cinch Direct MountTeeth:28 t, 30 t, 32 t, 34 tGearing:1x10-speed, 1x11-speed, 1x12-speedType:ovalTechnical Information:Material:aluminium (7075)Features:extremely good stiffness valuescompatible with Race Face cranks with CINCH systemcompletely CNC milledSuper Boost compatibleManufacturer Numbers:28 tooth:RNWDMOVAL28BLK30 tooth:RNWDMOVAL30BLK32 tooth:RNWDMOVAL32BLK34 tooth:RNWDMOVAL34BLKContents:1 x Manufacturer: FOX Factory GmbH Gewerbepark 6 66989 Höhfröschen Germany info@ridefox.com