Brake Rotor Weight
Thread Starter
Melting Slicks
Joined: Apr 2005
Posts: 3,469
Likes: 4
Brake Rotor Weight
I was looking at some rotors on AutoZone's website, and the basic $25 rotors have a shipping weight of about 20 lb each. Then there are some name brand rotors that have a shipping weight of 12 lb, and really fancy drilled/slotted rotors listed at 10 lb. Is there really that much difference in weight, or do you think that the website just has wildly random numbers listed for the weight specs? I mean, a 10 pound difference? Some people obsess over 2 pounds of weight on a wheel/tire, but I've never heard anyone comment on the weight of a rotor. Any thoughts?
Team Owner
Joined: Jul 1999
Posts: 50,808
Likes: 9
From: Buy USA products! Check the label! Employ Americans
stock NAPA rotor is about 17 lb on bathroom scale. Doubt drilling a few holes takes out that much weight. Hype if you ask me call and ask them the weight then tell them put it in writing after they tell you.If they are 12 lb I'll need some also 
Team Owner
Joined: Jul 1999
Posts: 50,808
Likes: 9
From: Buy USA products! Check the label! Employ Americans
Originally Posted by SeaLawyer
How much do the carbon fiber rotors weigh??
a lot on your wallet
Mallet sold them for $10,000.00 
Last edited by John Shiels; Nov 15, 2005 at 12:04 AM.
Team Owner
Joined: Jul 1999
Posts: 50,808
Likes: 9
From: Buy USA products! Check the label! Employ Americans
Originally Posted by Face
I can see some of the fancy rotors being close to 12lbs if they have a aluminum hat.
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Team Owner
Joined: Sep 2003
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From: Raleigh / Rolesville NC
Originally Posted by rws.1
Sportbrakes slotted ,drilled zinc coated
Fronts 18 lbs
Rears 13.5 lbs
Just weighed them
Fronts 18 lbs
Rears 13.5 lbs
Just weighed them
different scales I am sure. the old scale I use is also 17 lbs for front NAPA rotors and 12 lbs for rears.
