Large forged alloy spider supports rotor surface, increasing rigidity and reducing weight.
Shimano XT 180mm Disc Brake Rotor SM-RT86 Ice Tec 6 Bolt Fit Mountain Bicycle
Shimano XT 160mm Disc Brake Rotor SM-RT86 Ice Tec 6 Bolt
2 x Shimano RT66 180mm Disc Brake Rotor - with mounting hardware
Shimano RT51 180mm Disc Brake Rotor (56)
Shimano RT56 180mm Disc Brake Rotor (80)
