* driver features x2 high quality bearings and a bushing for added support* 3-pin internals allowing smoother crankflip tricks* CNC machined cones* includes Viper nylon hub guard and Gong driver guard* large slack setting pre-installed* includes extra slack washers to adjust slack* available in RSD or LSD* hex key inner axle for easy maintenance* lighter hardware* includes driver side cone washer for use without hub guard