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Shimano Ultegra SM-RT800 Center-lock Disc Rotors
Freeza technology, 3-layer structure with aluminum core and stainless steel outer layers and additional aluminum cooling fins reduces rotor surface temperature approximately 150 degrees Celsius compared to
The Ultegra R8000 series SM-RT800 Center Lock disc brake rotor features Shimano's Ice Tech alloy-steel clad construction for heat dissipation. The alloy core reduces heat while the stainless outer layers provide durability and long wear times. The uniquely shaped aluminum Freeza fins save weight and add more surface area away from the rotor to help reduce heat for improved stopping power and speed regulation. The Shimano-specific Center Lock design makes rotor installation and service a simple task. These rotors are compatible with all Shimano disc brakes, but were developed for road use, with a UCI-compliant rounded edge.
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