Check the listing for details. Shimano 105 GRX SLX SM-RT70 ICE TECH Centerlock 160 180mm 203mm Disc Brake Rotor. Condition: New. Listed at 34.99 USD. SLX disc brake rotors deliver powerful and consistent brake performance for all riding conditions. The ICE TECHNOLOGIES FREEZA rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. Features: Crisp, consistent braking anytime you need to slow down thanks to the frigid power of ICE TECHNOLOGIES Better heat radiation Stainless steel/Aluminum/Stainless steel 3-layer sandwich structure Lightweight SKU:SM-RT70 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***SLX disc brake rotors deliver powerful and consistent brake performance for all riding conditions. The ICE TECHNOLOGIES FREEZA rotor significantly reduces heat build-up in the brake system to ensure consistent high performance braking even on the steepest downhill stretches. SHIMANO's CENTER LOCK mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. Features: Crisp, consistent braking anytime you need to slow down thanks to the frigid power of ICE TECHNOLOGIES Better heat radiation Stainless steel/Aluminum/Stainless steel 3-layer sandwich structure Lightweight SKU:SM-RT70 ***These are OEM Shimano Parts, Brand new, Never Installed on Bike, Never used in any way, just NOT in retail packaging.***