![RT-EM600 Steps Centre-Lock Disc Rotor With Lockring](http://senacrecycles.co.uk/cdn/shop/products/rtem600m.jpg?v=1703348583&width=1445)
![RT-EM600 Steps Centre-Lock Disc Rotor With Lockring](http://senacrecycles.co.uk/cdn/shop/products/rtem600s.jpg?v=1703348583&width=1445)
![RT-EM600 Steps Centre-Lock Disc Rotor With Lockring](http://senacrecycles.co.uk/cdn/shop/products/rtem600l.jpg?v=1703348583&width=1445)
- RT-EM600 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
- Compatible with E8000 / E7000 / E6000 / E5000 systems and for rear wheel use only
- Rotors are durable lightweight and rigid, using the proven Shimano Centre-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
- Large alloy spider is a highly rigid and lightweight support for the rotor surface
- Super polished braking surface gives excellent braking performance