The SM-RT900 are Dura-Ace level road disc brakes. They offer top level braking performance and durability. They are center lock disc brakes.
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The SM-RT900 are Dura-Ace level road disc brakes. They offer top level braking performance and durability. They are center lock disc brakes.
Improved heat dissipation
Designed for racing purpose
Light weight
Better control and confidence in race conditions
SPECS
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 all-steel rotors
Aluminum spider
Includes standard type rotor lockring
Requires external-type rotor lockring when installing onto 15/20mm axle hub
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