Larger rotors dissipate heat additional immediately and have a larger sum of mass to absorb heat, decreasing brake fade or failure. There are a lot of requirements for mounting disc brake calipers. There are numerous options for rotor mounting. A Shimano cassette lockring instrument (or an external BB tool in case of through-axle hub) is needed to clear away the rotor and is extra pricey and much less typical than a Torx crucial.