Shimano RT-EM300 Rotor with Internal and External Lockring, 160mm

The Shimano RT-EM300S is a 160mm Center Lock disc brake rotor specifically for e-bikes, designed for rear wheel use. It features an integrated magnet to work seamlessly with the Shimano STEPS speed sensor system (like the SM-DUE11). This ensures consistent braking and accurate speed measurement. It is only compatible with resin/organic brake pads.

Please Note: Rear wheel use only 

Included:

• Shimano RT-EM300 160mm brake rear brake rotor
• Internal/External lock ring
• Speed sensor magnet