Shimano XT RT-EM300 Disc Rotor 203mm W/ Lock Ring Internal And External Serration MAAP Reinforced and C0 DWR-treated fabric

Reinforced and C0 DWR-treated fabric on the back and sleeves

Press Fit BB30A (73x42)

So you can easily use your favourite numbers

The additional grip is beneficial

Shimano XT RT-EM300 Disc Rotor 203mm W/ Lock Ring Internal And External Serration MAAP Reinforced and C0 DWR-treated fabricSHIMANO RT EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. Features CENTER LOCK disc brake system Wide type disc brake rotor Not compatible with metal brake pads Mfr Claimed Weight TBC