SRAM Post Bracket - 20 P 1 (For Use with 160mm and 180mm Rotors Only) (140 to 160, or 160 to 180), Includes Stainless Bracket Mounting Bolts Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... SRAM Post Bracket - 20 P 1 (For Use with 160mm and 180mm Rotors Only) (140 to 160, or 160 to 180), Includes Stainless Bracket Mounting Bolts Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...