Home / Shimano STEPS RT-EM300 rotor with internal and external lockring, 180 mm

Shimano STEPS RT-EM300 rotor with internal and external lockring, 180 mm

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  • Detail
    • 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
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