Rotor wear

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Recently I noticed a slight braking performance decrease, and sometimes I hear whistles\squeeks when I brake slowly, say downhill, going 2.5ish mph.

The front pads still got 6-7mm, the rear ones are closer to 3-4mm.

I took some pictures of how the rotors are currently being worn down, tell me if this is proper, especially the rear ones.

Since it may a little tough to perceive dimension in those flash-filled shots:

@Legend

• Used red to show untouched surface on the vertical walls.
• Used blue to show bumpy\elevated surface on the vertical walls.
• Used green to show normally worn surface on the vertical walls.
• Used grey to show untouched surface on the horizontal edge.

Front right:

Front left:

Rear right:

Rear left:

It seems to me that especially on the front rotors aren’t worn on their whole surface, a few millimenters on the edge are untouched, which means the pads are touching down closer to the center, which is fine.

The rear though is a little tricky, it is almost as if that untouched edge is now being grinded down, almost the scenario i imagine if I was to replace the pads and not file rotors.

Please help.

[ChAdWiCk706]

yea the rear rotors arent lookin to good there buddy. i can see some major ridges… also if they squeak then use some high grid sandpaper and sand off the glazing on the rotor…

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[QUOTE=ChAdWiCk706;1744227]yea the rear rotors arent lookin to good there buddy. i can see some major ridges… also if they squeak then use some high grid sandpaper and sand off the glazing on the rotor…[/QUOTE]That’s the outter edge, right? Makes sense you should refer to it with ‘glazing’.

Thanks for that.