6061 hub body with 2 sealed bearings 14mm nickel chromoly axle with 6mm broach 1pc chromoly driver with 3 sealed bearings 4 pawl driver with individual leaf springs for precise engagement Proprietary plastic non-drive side hub guard RR 1s w9t Driver 36H B/O 14mm Aly Blk 548 RIM 110mmUPC/EAN/GTIN: 811120031795