The Shimano SM-RT54 brake rotor has a diameter of 180 mm, delivering consistent and efficient braking performance for your bike. Designed exclusively for use with semi-metallic brake pads, this rotor ensures effective cooling while riding, reducing strain on the braking system.

• 180 mm diameter for optimal braking power
• Compatible with semi-metallic brake pads for improved performance
• Available in semi-bulk packaging for convenient stocking