Material6061-T6 alloy refined hub shell Axle• 14mm male hollow bore• hardened heat-treated crmo axle Bearings high-quality sealed bearings, 6902 x2 (hub), 6802x2 & 15297 (driver) Spokes36h ColorsBlack Driver • RSD or LSD• 9t• x6 pawl system, multi tooth Features • super strong street cassette hub• 108 points of engagement• 6 pawl, multi tooth driver for fast engagement• hex key inner axle for easy maintenance• durable and dependable 3-bearing system driver• available in RSD or LSD• includes Viper nylon hub guard and Gong driver hub guards• includes driver side cone washer for use without hub guard Measurements NDSPCD: 45mm, DSPCD: 58mm, flange to flange 57mm Weight TBA