Shimano RT-CL900 Disc Rotor 140mm Ice-Tech CenterLock w/Internal Serration Lockring Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Shimano RT-CL900 Disc Rotor 140mm Ice-Tech CenterLock w/Internal Serration Lockring Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...