Shimano SM-RT64 Disc Rotor 180MM Deore Centerlock FREE shipping within Australia over AU$99.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Shimano SM-RT64 Disc Rotor 180MM Deore Centerlock FREE shipping within Australia over AU$99.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...