front rotor question

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Oct 1, 2011 | 01:24 PM

keith t

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Joined: Oct 2009

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From: Bixby Oklahoma

front rotor question

I have my front wheel off to change the rotors and forgot to check the speed sensor alignment with each other left rotor to right rotor, I put the rotors on in the same orientation they came off using the right left designation stamped on the rotor but the sensors aren't lined up with (across from) each other or at 180 degrees from each other, so I wonder if it matters
thanks to all

Oct 1, 2011 | 01:54 PM

dawg

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From: Vermont

There is only one speed sensor on the ABS bikes and it is on the left side, has nothing to do with the rotors. Older cop bikes with ABS had rotors with tone rings in them. The ABS speed sensor coincides with the ABS encoded bearing in the left side of the wheel.

Oct 1, 2011 | 03:01 PM

keith t

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From: Bixby Oklahoma

Thanks Dawg
So what are the little buttons on the rotors for anyway, all three have them, 2 fronts and one rear

Oct 1, 2011 | 07:24 PM

Neggy ZRXOA 5248

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From: KMHT KFMY

Ahhh are they floating rotors?

Oct 1, 2011 | 07:29 PM

Stiggy

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From: Oxford, Nc

I've never met anyone that actually could tell me what those buttons really were for. I thought they might be a stress relief of some sort to reduce warpage...(?)