The Alienation OS20 BMX Rim-Black rolls faster and smoother than a standard 20" rim. OS2O is NOT 22″. OS2O is 20”, but bigger. There are two wheel sizes in the 20″ category – the 20″ on Jr/mini bikes which uses the 451mm diameter wheel in narrow widths (for 20-1/8″ & 20-3/8″ tires), and the conventional 20″ which uses the smaller 4O6mm diameter wheel but in wider widths (for 20x1.5" & 20x1.75" tires). OS2O is 451mm wheel diameter in similar widths as 406mm wheels. OS2O tires are not compatible with Jr/Mini sized rims, and OS2O rims are not compatible with Jr/Mini sized tires. Use: Race Material: 6061 T6 Walls: Double Joint: Sleeved Weight: 462g Diameter: 451 (20”) Drilling: 36 Valve: SV Sidewall: ERD: 430 Colors: Black NOTE: You'll need to purchase the OS20 tires and OS20 tubes to go with these rims.
