Thread: Rotor material?
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Old October 6th 17, 04:10 AM posted to rec.bicycles.tech
Sir Ridesalot
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Default Rotor material?

On Thursday, October 5, 2017 at 7:38:42 PM UTC-4, Joerg wrote:
On 2017-10-05 15:41, jbeattie wrote:
On Thursday, October 5, 2017 at 12:39:02 PM UTC-7, Joerg wrote:
On 2017-10-05 12:34, Joerg wrote:
Some rotors are sold for "resin pads only", others do not list
restrictions. What is the difference in materials?

I am using ceramic based pads not normally sold at the LBS,
supposedly similar to what motorcycles have. Because they give me
best results.

Other questions while at it:

My rotors are formally 7" and 6". Can I use 180mm and 160mm
instead? The 7" one on my MTB actually measures about 185mm. I'd
hate to have to grind down the spacer but might have to because
7" is more rare.

Does anyone know what the raw rotors foer custom-laser deals are
called? Couldn't find any on EBay. Ideally I'd want rotors that
are solid like on motor vehicles, for better heat tolerance.
Weight doesn't matter.


Add-on: I am also looking for at least 2.2mm thickness like the
originals from Promax. The newer ones from Promax only have 2mm and
also a weird wavy design:

http://i.ebayimg.com/images/g/qjAAAO...rj/s-l1600.jpg

-- Regards, Joerg

http://www.analogconsultants.com/


Hayes makes the 5-7" rotors.
https://www.universalcycles.com/shop...ls.php?id=5018



The data on those is a bit unreliable. For example, here the same P/N
98-17551 rotor is listed as 160mm which isn't 6":


160mm is 6.299212598425197. Does that extra .2992125... make that much of a difference?

Cheers
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