Shimano Saint SM-RT99-M Disc Brake Rotor
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Details
Saint SM-RT99 Center Lock rotors utilize Freeza technology: a 3-layer structure with an aluminum core and stainless steel outer layers plus aluminum cooling fins that reduce 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 hub (sold separately)
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| 180mm | 689228997110 | ISMRT99M | 210000042103 |
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Shimano Saint SM-RT99-M Disc Brake Rotor
$89.99