Brake disc for E-bike with integrated magnet for speed sensor SM-DUE11 / EW-SS301. Compatible with RT-MT800. Functionality: hydraulic. Rear mounting. Ice Tech Freeza construction for faster heat dissipation. Ice Tech brake discs significantly reduce the temperatures generated during braking, which prevents fading. The braking performance remains consistently high even on long descents. The lifespan of the brake pads increases, and the brake operates noticeably quieter.