The Hope 2/4 Saw Floating Rotor features a mud clearing brake track design. Suitable for the Mono Mini and Mono M4 brakes. Available in a choice of sizes, all with the super cool saw-edge design. These rotors have a stainless steel braking surface riveted to an aluminium central carrier. As well as offering a significant weight saving, they also allow the rotors to expand or contract with changes in temperature.