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The lure of Ti

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The lure of Ti

Old 12-11-10, 03:42 AM
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The lure of Ti

All you bastidges posting your Ti frames - thanks to you, I have this massive hankering for a custom Ti build from Habcycles.

Ti frame, relatively light CroMo fork, ability to take 700x32s with long-reach brakes, Campy drivetrain...

I dont need another bike. I have too many. But I *want* this bike. Help.

V.

Last edited by guadzilla; 12-11-10 at 04:34 AM.
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Old 12-11-10, 03:46 AM
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you're welcome.
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Old 12-11-10, 04:20 AM
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Baum ftw!
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Old 12-11-10, 04:36 AM
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You know, that Baum doesnt do it for me - sexy though it is, I'm thinking more classic Ti finish, narrow tubes, finished off with a dash of black and silver. Porntastic.

V.
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Old 12-11-10, 04:42 AM
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Originally Posted by vkalia View Post
You know, that Baum doesnt do it for me - sexy though it is, I'm thinking more classic Ti finish, narrow tubes, finished off with a dash of black and silver. Porntastic.

V.
How about this one?

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Old 12-11-10, 04:56 AM
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See, with the paint, it looks like any other bike.... I am lusting for the brushed or polished Ti finish.

V.
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Old 12-11-10, 06:48 AM
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I love my Habanero. Great value especially if you need custom geometry (like I do).
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Old 12-11-10, 08:33 AM
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If I could afford custom ti right now I'd go for Lynskey or the Merlin Cyrene. I agree with not wanting a painted ti frame. I love the Cyrene. No paint, not even a decal. All etched.




Last edited by El Conquistador De Amore; 12-11-10 at 08:38 AM.
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Old 12-11-10, 09:09 AM
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^^ That's nice. That's exactly the sort of decal I want. Or dont want. Dammit, I am struggling to NOT buy this bike. I need to get the Sigma 120-300/2.8 OS instead, to replace my aging and malfunctioning Canon 100-400. That's where my money needs to go.
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Old 12-11-10, 09:15 AM
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Oh yeah.

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Old 12-11-10, 10:32 AM
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Actually, I find that hotter than the Baum, so sue me. Your Selle Italia is going to go on the Ti bike, btw, Hao. Or rather, would have, if I were to actually succumb to temptation and get one. Which I won't. Cos BF is going to keep me on the straight and narrow.

To think - I only got into road biking last year to improve my MTB stamina.

V.
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Old 12-11-10, 10:34 AM
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First rule of BF; N+1= GOOD!
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Old 12-11-10, 10:54 AM
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Since the thread's fresh --

What blend of Ti should we look for?
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Old 12-11-10, 10:57 AM
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The lure of Ti is strong....
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Old 12-11-10, 11:33 AM
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Originally Posted by vkalia View Post
All you bastidges posting your Ti frames - thanks to you, I have this massive hankering for a custom Ti build from Habcycles.

Ti frame, relatively light CroMo fork, ability to take 700x32s with long-reach brakes, Campy drivetrain...

I dont need another bike. I have too many. But I *want* this bike. Help.

V.
I'm starting to think about the same thing. I'm thinking custom Seven ti, perhaps. Sport tourer type bike, steel fork, room for fenders and a rack. I have an Ult 10sp kit to put on it already.
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Old 12-11-10, 11:35 AM
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What fork, eofelis? I dont want to put a fat-pig fork, but would still prefer CroMo - anyone know of any high quality, relatively light ones out there which can take long-pull calipers?

Not that I'll be buying one, of course. Pure academic curiosity.

V.
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Old 12-11-10, 11:44 AM
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Originally Posted by vkalia View Post
What fork, eofelis? I dont want to put a fat-pig fork, but would still prefer CroMo - anyone know of any high quality, relatively light ones out there which can take long-pull calipers?

Not that I'll be buying one, of course. Pure academic curiosity.

V.
I'm currently riding a custom Gunnar Sport with a steel fork. The Sport is going to be the prototype for the ti build. I'm using a Surly Pacer fork right now. It's what I had, takes long reach brakes, and rides nicely, although it's kind of heavy. I'll probably look into a Waterford steel fork ($$$) for the ti.
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Old 12-11-10, 12:10 PM
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Originally Posted by vkalia View Post
All you bastidges posting your Ti frames - thanks to you, I have this massive hankering for a custom Ti build from Habcycles.

Ti frame, relatively light CroMo fork, ability to take 700x32s with long-reach brakes, Campy drivetrain...

I dont need another bike. I have too many. But I *want* this bike. Help.

V.


You must buy Ti!
You must buy Ti!
You must buy Ti!

(You shouldn't have allowed me to post here...I'm such an enabler! )
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Old 12-11-10, 12:18 PM
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STFU, get the stupid bike, and RIDE it.

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Old 12-11-10, 12:21 PM
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Originally Posted by patentcad View Post
STFU, get the stupid bike, and RIDE it.

Wow, everybody look; Pcad made a good point!
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Old 12-11-10, 12:32 PM
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Originally Posted by jr59 View Post
Wow, everybody look; Pcad made a good point!
Most of my BF Wisdom is over your head and above your pathetic pay grade.
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Old 12-11-10, 12:35 PM
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yea, just buy the bike.

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Old 12-11-10, 12:38 PM
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Originally Posted by patentcad View Post
Most of my BF Wisdom is over your head and above your pathetic pay grade.
Thank God!
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Old 12-11-10, 12:45 PM
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Read this first: https://www.bikeforums.net/showthread...nium-and-steel

"...bigger riders may find it (titanium) lacking. It's true what was said above that Ti bikes can be made stiffer using larger tubes - but not entirely true.

Most of the tubes on a bike have no practical limit to the diameter of the tube that can be used so it's easy to design and build the frame with large main tubes - but the issue boils down to chainstays. Because we need to squeeze the chainstays into a small space left between the chainrings and the tire the size of the chainstays is limited to about 7/8" in most cases. This is what is used on most steel bikes and getting anything larger in their is near impossible without some serious stiffness stealing dents to give clearance. So when you combine this with the fact that Ti is much more flexible than steel you end up with the rear end of the Ti bike being much softer than the rear end of a steel bike.

Some will counter by saying that you can use ovalized Ti chainstays to get more material in there to make it stiffer - but it has little effect. If you make the Ti stays 20 mm wide and say 30 mm tall (a big assed stay!) it will not be as laterally stiff as a round 22.2 mm steel stay. This is for two reasons. First is the obvious that Ti flexes much more than steel does. The second reason is that the oval stay is still not as large in diameter horizontally that the steel stay is. Any oval tube has the bending stiffness roughly equivalent to a round stay of the same diameter. So an oval Ti c-stay will behave in lateral flex about the same as a round Ti tube whose diameter is the same as the minor diameter of the oval. ........... I don't think I said that well. How about this? - a tall oval Ti c-stay that is 20 mm wide will flex about the same as a round Ti c-stay that is 20 mm in diameter.

So you end up with a oval Ti stay that is stiff vertically and about the same laterally as a round Ti stay. There is very little to be gained here with diameter as long as the chainrings and tire are competing for space. But when you look at a steel stay you have the same amount of room so can fit the same diameter c-stay in there and because it's steel it will be MUCH stiffer.

You will also see folks argue that if you put a big down tube in the bike that it will be stiff. It doesn't really work that way IMO. There are only two tubes that can and do transfer the power from the BB to the rear wheel and those are the chainstays. You can remove the down tube and make a bike that transfers power very well - i.e. the "Slingshot" bikes what have a cable instead of a down tube. The Slingshots had very stiff BB's because the chainstays were designed to do the job. Since the chainstays do the work of getting the power from the BB to the rear wheel they are the tubes that will make or break the power transfer of the bike. The chainstays see a combination of three loads - compression end to end, torsion, and bending. The compression loads are small and can for the most part be set aside while the other two are very dependent on diameter. And since the diameter that can be used is limited by the space to put the tube in then you really need to have a stiff material to get the job done and Ti just isn't stiff enough if you are a big guy".

Last edited by Barrettscv; 12-11-10 at 12:50 PM.
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Old 12-11-10, 01:07 PM
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I would add that Dave knows of what he speaks!
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