question about front rotor???

A floating rotor from what I've put together looking at mine is a two piece rotor held together by (for lack of a better word) rivets. It allows a bit of movement but I'm not 100% sure why.

 

Floating rotors allow for the thermal expansion of the rotor without binding it to any other non heat-affected part.  That reduces the tendency to distort laterally ("potato chip") when hot.  It also allows the contact surface of a bent or heat distorted rotor to run straight through the pads while the "wiggle" is put at the rivets where it does no harm.

Floating rotors allow for the thermal expansion of the rotor without binding it to any other non heat-affected part. That reduces the tendency to distort laterally ("potato chip") when hot. It also allows the contact surface of a bent or heat distorted rotor to run straight through the pads while the "wiggle" is put at the rivets where it does no harm.

Interesting...

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