Large forged alloy spider supports rotor surface, increasing rigidity and reducing weight.
Shimano RT30 180mm Disc Rotor - Centerlock - SM-RT30M - Inc. Lock Ring
Shimano XT 160mm Disc Brake Rotor SM-RT86 Ice Tec 6 Bolt Fit Folding Bicycle
Shimano XT Disc Brake Rotor 180mm RT-MT800 Ice Tech CL LOCKRING NOT INCLUDED MTB
Shimano XT SM-RT76M 180mm 6-Bolt Disc Brake Rotor
Newgoal Shimano Center Lock Disc Brake Bike Rotor for Shimano RT30 160mm/180mm/Mountain Road Bike Center Lock Disc Brake Rotor (180MM)
2X Shimano Deore XT 180mm Disk Brake Rotor RT-MT800 Icetech Freeza Centre Lock
