[Closed] Titanium disc rotors

Benefits, you can tell everyone your disc rotors are titanium.

Drawbacks, you wont have any friends.

EDIT: You also won't have any money..

http://www.bikeradar.com/gear/category/components/disc-brake-rotors/product/disc-rotors-17540

How much???

Not sure why you'd bother, with the weight of these (for example):

http://www.chainreactioncycles.com/Models.aspx?PartnerID=79&ModelID=50936

Or these:

http://www.readytoridecycles.co.uk/160mm-cirrus--aries-lightweight-alligator-disc-rotor---76g-174-p.asp

Realman: they are shockingly expensive 😯

Someone I know has a metal shop and has mentioned the possibility of cutting some disc's.

LOL @ the bikeradar article - they can't decide if they are ti or alu.

The stans ones seemed a reasonable way of saving weight but I thought they'd been withdrawn.

A ti one wouldn't weight that much less than steel Shirley?

Pure Ti has about half the specific heat capacity of Al, so the rotors would get hotter quicker. (i.e. requires half the energy input to raise the material by 1 degree C)

I recall seeing rotors labelled as titanium, but they just had a thin coating of Ti on them, rather than being entirely made of the stuff.

I'm guessing there isnt a lot in it weight wise but would they be any better in terms of heat, brake fade, corrosion etc?

dan - were they Ti Nitride coated Alu?

I think they were, but sold as "Titanium", even though they weren't. Gave them an excuse to up the price. TiN coatings make stuff more resistant to wear (and generally give them a nice gold appearance!)

Pure Ti has about half the specific heat capacity of Al, so the rotors would get hotter quicker. (i.e. requires half the energy input to raise the material by 1 degree C)

Have you accounted for density?

[url= http://www.readytoridecycles.co.uk/160mm-titanium-nitride-gold-aries--cirrus-alligator-disc-rotor---fit-xtr-hayes-hope-etc-178-p.asp ]THESE[/url] are ti nitride coated.

I thought TiN also had quite low friction properties. Didnt BETD used to make hubs with no bearings, just TiN contact surfaces?
So they may last a long time, but you wont be stopping particularly quick?

A friend got some Ti rotors cut by some dude he knew with all the CNC toys in a workshop. Said it really didn't work very well at all.

Do tell...

I do love a sprinkle of 'Bling' (more roadie bling tbh) but one can over egg the pudding; for once I'm actually turned off by the aesthetic...insipid, dull and 'vegetablesque' spring to my mind ❓

The thermal conductivity of titanium is nearly as poor as stainless steel.

so titanium is a bit of a no no as far as rotors are concerned?