The Shimano SM-RT54 is a center-lock disc rotor in stainless steel, lighter than previous designs, 180mm or 160mm diameter, and resin pad only. It suits riders wanting quick rotor installation on center-lock hubs.

• SHIMANO SM-RT54 disc brake rotors 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.
• CENTER LOCK for quicker installation
• About 10% lighter than previous design
• Designed for resin pad only