Shimano Disc brake rotor, RT-MT800, 140MM, (w/Internal Lock-ring)

- High performance disc brake rotor featuring ICE TECHNOLOGIES FREEZA, a proprietary fabrication technique consisting of a 3-layer aluminum and stainless steel structure 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 05, 06), lock-ring included

- Externally serrated lock-ring type version (config 01, 02, 03, 04), lock-ring included