Description
Shimano Ultegra SM-RT800 Disc Rotor Features
Shimano Ultegra SM-RT800 Center-lock Disc Rotors
- 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 all-steel rotors
- Aluminum spider
- Includes standard type rotor lockring
- Requires external-type rotor lockring when installing onto 15/20mm axle hub
