The Shimano RT-EM300 Disc Rotor in the 180mm size is engineered to deliver exceptional stopping power, especially in conjunction with speed sensor systems. Designed for a variety of riding conditions, these rotors are part of Shimano’s renowned line of braking components known for their performance and reliability. Key Features: Size: The rotor is 180mm in diameter, providing ample braking surface for effective stopping power. Speed Sensor Compatibility: Specifically designed for use with speed sensor systems, enhancing braking performance. CENTER LOCK Mounting System: The rotor features Shimano’s CENTER LOCK mounting system, allowing for quick and easy installation and removal. The spine mount and lock ring design contribute to the efficiency of this system. Lock Ring Included: The rotor comes with a lock ring, featuring both internal and external serrations for secure installation.
