Shimano Shimano Steps RT-EM300 Rotor With Internal And External Lockring, 203 mm

Information

• RT-EM300 E-bike rotors with built in speed sensor magnet providing consistent braking performance through energy control
• Rotor houses the magnet necessary for speed sensor function on Shimano STEPS equipped E-bikes allowing frame clearance for wider tyres
• For rear wheel use only
• Rotors are durable lightweight and rigid, using the proven Shimano Center Lock system giving increased strength and security with an easy set-up
• Precision cut and drilled braking surface improves pad clearing in muddy conditions while aiding cooling under high load
• For use with resin pads only
• Super polished wide type braking surface gives excellent braking performance