G Sport Rib Cage Rims are made from 7000-series aluminum and are designed to be cross-laced with spokes that run from hub to opposite side of rim.Designed to be cross-laced (spoke runs from hub to opposite side of rim)Item SpecificationsColorHard BlackWeight482gWidth34mmIntended UseBMXHub Drilling36spokesRim Depth18mmBrake CompatibilityRim BrakeManufacturer Spec ERD394mmValveSchraderISO Diameter406 / 20" BMXValve LengthSchraderWheel Size20"Tire TypeClincherRim Center Offset0mmRim MaterialAlloyRim JointWeldedBrake TrackNon-MachinedDefined ColorBlack