Shimano RT-EM600 eBike Centerlock Internal Serration Disc Brake Rotor - 203mm - Centrelock YGroup_7033610731565 and an adjustable clamp that

and an adjustable clamp that fits in five different positions

Eagle NX Chain:

Pros: Consistent and reliable XC or trail brakes

The technical stretch ripstop fabric ensures maximum performance and superior durability

Reverse cross bolt system for increased clamping power

Shimano RT-EM600 eBike Centerlock Internal Serration Disc Brake Rotor - 203mm - Centrelock YGroup_7033610731565 and an adjustable clamp thatThe Shimano RT EM600 eBike Centerlock Internal Serration Disc Brake Rotor is an eMTB rotor that is purposely made for Shimano's STEPS System. They deliver powerful and consistent braking performance in all riding conditions by using 'Shimano's Ice Technologies Freeza' feature that greatly improves heat dissipation and ensure consistent high performance braking even on the steepest downhill stretches. They even have a cleverly placed Speed Sensor