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- 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
- Weight: 118g
- Use: road
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Review Shimano Dura-Ace SM-RT900 140mm Disc Rotor