Details
Shimano Dura-Ace Center Lock rotors feature Freeza technology: a 3-layer structure with an aluminum core and stainless steel outer layers and additional aluminum cooling fins. This reduces rotor surface temperatures 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 hubs (sold separately)
Part Numbers
Option | UPC | MPN | Store SKU |
---|---|---|---|
140mm | 689228746374 | ISMRT900SS | 19125 |
160mm | 689228746381 | ISMRT900S | 25226 |