Shimano RT-EM300 Disc Rotor 180mm Width-68/73mm in that one side can

in that one side can be used with cups featuring non-removable bearings (pressure is applied precisely on the outer race preserving the integrity of the bearing itself) while the other is used for cups featuring removable bearings (pressure is applied to the cup race via a chamfered surface reducing the risk of slippage)

10 replaceable traction pins per side

Color Pistachio Size S Core Yes

front/rear rear (HG 11sp road) axle/spacing (mm) 12x142 TA hole 32h color black weight 272g

Shimano RT-EM300 Disc Rotor 180mm Width-68/73mm in that one side canShimano RT EM300 Disc Rotor 180mm. SHIMANO RT EM300 disc brake rotors for speed sensor systems provide exceptional stopping power in all riding conditions. Shimanos CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. TECH SPECS Hub Disc Compatibility Center Lock Disc Rotor Size (mm) 180