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-   -   Good steel frames with 1" head tube (question) (https://www.bikeforums.net/general-cycling-discussion/851237-good-steel-frames-1-head-tube-question.html)

yonekura 10-08-12 03:02 PM

Good steel frames with 1" head tube (question)
 
Does anyone know of good steel frames with cantilever posts or disc tabs 700c wheel size. In the 3.5 Lb ish weight range. I am having trouble finding one. I do not know where to look and custom frames are too expensive. New frames all have 1 1/8" head tubes. I do not suppose anyone knows of frame that meets those requirements?

lungimsam 10-08-12 04:35 PM

This looks like it might fit the bill in 58cm size an up for 700c wheels:

http://www.rivbike.com/product-p/f-atlantis.htm

Takes a 1" quill stem, looks like it has the canti braze ons. But don't know the weight. Give them a call.

Look at their other bikes, too.

cyccommute 10-08-12 04:52 PM


Originally Posted by yonekura (Post 14819655)
Does anyone know of good steel frames with cantilever posts or disc tabs 700c wheel size. In the 3.5 Lb ish weight range. I am having trouble finding one. I do not know where to look and custom frames are too expensive. New frames all have 1 1/8" head tubes. I do not suppose anyone knows of frame that meets those requirements?

What's the problem with 1 1/8" head tubes? If you buy a frame with a 1" head tube, you may find trouble finding stems further down the road. It's certainly difficult to find a 1" threadless stem and there aren't a lot of good quality 1" threaded stems on the market. If you happen to need a fork...it happens...finding one in a 1" size is next to impossible.

1" stems are also more flexible because they are thinner. Hard effort out of the saddle can cause handlebars attached to 1" threaded stem to flex as much as an inch at the ends of the bars, depending on quality of the stem. A 1 1/8" threaded stem is stiffer (a good thing) and a 1 1/8" threadless is even stiffer. With a 1 1/8" threadless, the bars themselves are more flexible than the stem/steer tube is.

The larger diameter headtube will also make for a stronger frame that will track better. A 1 1/8" steel tube is stiff enough to resist all kinds of frame flex and that makes for a better handling bike. If you want disc tabs, forget about the 1" entirely. I don't think anyone would make such a beast.

IthaDan 10-08-12 06:33 PM


Originally Posted by yonekura (Post 14819655)
Does anyone know of good steel frames with cantilever posts or disc tabs 700c wheel size. In the 3.5 Lb ish weight range. I am having trouble finding one. I do not know where to look and custom frames are too expensive. New frames all have 1 1/8" head tubes. I do not suppose anyone knows of frame that meets those requirements?

Any one of the gazillion used touring or 'cross bikes out there?

Why are you so stuck on the 1" headtube? Do you have an heirloom cinelli 1A or something?

yonekura 10-08-12 06:48 PM


Originally Posted by IthaDan (Post 14820452)
Any one of the gazillion used touring or 'cross bikes out there?

Why are you so stuck on the 1" headtube? Do you have an heirloom cinelli 1A or something?

Kinda, I have some expensive parts that are new specifically for a 1 inch head-tube. Although they are thread-less.


Originally Posted by THE ARS (Post 14820019)
Should be 1,000,001 out there used.




Tom


Yes, I know there is lots of used bikes out there, but ones are known to have a good frame worth time and money to build up. I am not as familiar with older bikes.



Originally Posted by cyccommute (Post 14820065)
What's the problem with 1 1/8" head tubes? If you buy a frame with a 1" head tube, you may find trouble finding stems further down the road. It's certainly difficult to find a 1" threadless stem and there aren't a lot of good quality 1" threaded stems on the market. If you happen to need a fork...it happens...finding one in a 1" size is next to impossible.

1" stems are also more flexible because they are thinner. Hard effort out of the saddle can cause handlebars attached to 1" threaded stem to flex as much as an inch at the ends of the bars, depending on quality of the stem. A 1 1/8" threaded stem is stiffer (a good thing) and a 1 1/8" threadless is even stiffer. With a 1 1/8" threadless, the bars themselves are more flexible than the stem/steer tube is.

The larger diameter headtube will also make for a stronger frame that will track better. A 1 1/8" steel tube is stiff enough to resist all kinds of frame flex and that makes for a better handling bike. If you want disc tabs, forget about the 1" entirely. I don't think anyone would make such a beast.

While I have nothing against the 1 1/8" standard used today as the defacto standard. I doubt that an 1/8" of inch makes much of a difference in steer tube strength. So I would say there factor of safety is pretty much equivalent. I could understand the difference though in strength with thread-less style stem vs thread stem. A threaded stem must fit into the steer tube making it much smaller while a thread-less fits over the steer tube making it larger, yet you still can do a 1" thread-less stem. They make the forks and headsets still and if you have trouble finding a stem I can always shim it anyways. I am just looking for suggestions for what I specified I do not need to evangelized. I have my reasons. I am just having trouble finding a reasonably priced frame.

IthaDan 10-08-12 07:12 PM


Originally Posted by yonekura (Post 14820507)
Kinda, I have some expensive parts that are new specifically for a 1 inch head-tube. Although they are thread-less.

http://problemsolversbike.com/produc...dtube_reducers

Part# HD9901

Homebrew01 10-08-12 07:48 PM


Originally Posted by THE ARS (Post 14820019)
Should be 1,000,001 out there used.


Tom

Cantilevers or disk tabs would probably make that number a lot lower.

Maybe the Touring or C & V forums ?

cyccommute 10-09-12 08:42 AM


Originally Posted by yonekura (Post 14820507)
I am just having trouble finding a reasonably priced frame.

And you will continue to have problems finding a reasonably priced new frame with a 1" headset. They just aren't made. There are a couple of new frames made that have threaded headset like the Rivendell but you can't get them with threadless forks. In the used market, you can probably find the frame but the fork isn't going to be threadless, either.


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