TEETH BITS ON REAR OF BRAKE DISCS ON 172FF

[D1CKY]

Why's the brake discs fitted to my 172 got teeth bits all the way round them on the inside of the discs (i.e. the back of them)

 

[f0xy]

something to do with the abs i think!

 

[D1CKY]

something to do with the abs i think!

Ah ok, its just i've never saw it before

 

[MRBILLYUK]

Its the ABS ring .