RT-MT900

• Shimano's flagship disc brake rotor
• Features ICE TECHNOLOGIES FREEZA, a proprietary fabrication technique consisting of a 3-layer aluminum and stainless steel structure and special high heat dissipating treatment allowing for superior cooling and performance
• Reduced power fading ensuring consistent high performance even on long downhill stretches
• Helps increasing brake pads life and reducing noise
• Recommended both for road or mountain bike braking systems
• Internally serrated lock-ring type version (config 03, 04), lock-ring included
• Externally serrated lock-ring type version (config 05, 06, 07, 08), lock-ring included