The Shimano RT-EM300 disc brake rotor delivers reliable stopping power and consistent performance. Featuring a 203mm diameter for enhanced leverage and cooling, this Center Lock rotor is ideal for e-bikes and other demanding applications. Its durable construction and efficient design ensure long-lasting performance and confident braking in all conditions. The silver finish adds a modern aesthetic to your bike. Upgrade your braking system with the Shimano RT-EM300 and experience superior control and reliability.