Description
SHIMANO RT-EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. Only for use with resin brake pads.
- With Lock Ring (Internal and External serration)
- Shimano’s CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design.
| Rotor Size (mm) | 203 |
| Hub/Disc Compatibility | Center-Lock |
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