Pursuit frames

dalai47
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Re: Pursuit frames

Postby dalai47 » Sat Jan 14, 2017 7:35 pm

Stiffer than I need with my max Wattage... :oops:

They still go for stupid money - it was initially listed as 3.4K on ebay and FB sales groups. Ended dropping slowly till he finally listed the frameset and seat post for 2K which is what I paid.

Actually still in pristine condition! It was raced a few years by a young guy then he stopped racing; kept it stored under a blanket with the intention of getting back to racing which luckily for me never eventuated.

There are better frames for the money, but I just love the curves of the Stealth.

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mikesbytes
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Re: Pursuit frames

Postby mikesbytes » Sun Jan 15, 2017 8:53 am

2K is a bargain, I'm Jealous :)
If the R-1 rule is broken, what happens to N+1?

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Strawburger
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Re: Pursuit frames

Postby Strawburger » Wed Jan 25, 2017 4:20 pm

Needs a saddle and a good trim to the stem. Oh, and a bottom bracket to get the chain line perfect. Oh, and a 14t cog. And eventually swap out the veloflex rear gumwall tub to a veloflex black walled tub.

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Re: Pursuit frames

Postby mikesbytes » Wed Jan 25, 2017 6:07 pm

Yeh visited Strawburgers man cave the other day and the track bike was looking pretty good even with the training wheels mounted. Now you've got the race wheels on its looking even better. Now he has to do N+1 by rebuilding the old frame back into a fixie :)

What I was particularly interested in was the length of the head, which on Strawburgers bike measured 10cm, which turns out to be the same as my TT bike. My current track frame is 16cm and I can't get the clips low enough, end result is that my body acts as a parachute :( [Yeh I know a more accurate measurement is the height from the bottom bracket]
If the R-1 rule is broken, what happens to N+1?

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foo on patrol
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Re: Pursuit frames

Postby foo on patrol » Wed Jan 25, 2017 8:46 pm

Cool setup Strawburger. 8)

I don't like the Veloflex tubs, I find them dead. :?

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Re: Pursuit frames

Postby dalai47 » Wed Jan 25, 2017 8:59 pm

Very nice Strawburger. 8)

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Re: Pursuit frames

Postby Strawburger » Wed Jan 25, 2017 9:55 pm

mikesbytes wrote:Now he has to do N+1 by rebuilding the old frame back into a fixie :)


Hmmm, yes I have everything but a chain for a fixie. I don't need another bike!!!

foo on patrol wrote:Cool setup Strawburger. 8)

I don't like the Veloflex tubs, I find them dead. :?

Foo


Really Foo? What do you use, maybe I'm missing something? I went from vittoria corsa evo to veloflex on the road bike and loved the change. The rolling resistance was a huge difference. Maybe my lesser kms on the boards/concrete can't spot the difference!

dalai47 wrote:Very nice Strawburger. 8)


Thanks lama!
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Re: Pursuit frames

Postby foo on patrol » Thu Jan 26, 2017 10:56 am

I have the Veloflex on my road wheels and Pista CS on my Track Wheels but have a set of Pista CS EVOs to go on my good Track Wheels. :)

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Re: Pursuit frames

Postby mikesbytes » Thu Jan 26, 2017 12:34 pm

foo on patrol wrote:I have the Veloflex on my road wheels and Pista CS on my Track Wheels but have a set of Pista CS EVOs to go on my good Track Wheels. :)

Foo
Which Veloflex?
If the R-1 rule is broken, what happens to N+1?

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Re: Pursuit frames

Postby foo on patrol » Thu Jan 26, 2017 1:03 pm

Roubaix.

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Re: Pursuit frames

Postby mikesbytes » Thu Jan 26, 2017 2:34 pm

foo on patrol wrote:Roubaix.

Foo
I'm not familiar with that one, I've been using 22mm Record singles and 19mm Record clinchers, which you can't get anymore
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Re: Pursuit frames

Postby mikesbytes » Thu Jan 26, 2017 6:57 pm

I realise there isn't sufficient time to get a new frame in time for this season's racing. After checking out Strawburgers purchase + checking against my own road TT bike, I've come to the conclusion that I must find one with only 10cm head height and that's not as easy as I thought. I've looked at the examples posted in this thread and there's a real lack of measurements. One frame I've looked at has the measurements, when you look at the picture it looks good but the measurement is 13cm in my frame size

carbon-track-bike-frame-56cm-top-tube-fixed-gear-included-frok-seatpost-headset

I've also searched on the Chinese domestic market and I'm not seeing a lot of savings by using my ability to buy local and have it reposted
If the R-1 rule is broken, what happens to N+1?

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Re: Pursuit frames

Postby mikesbytes » Fri Jan 27, 2017 10:28 pm

This one looks interesting, the 540 size has a 561mm top tube and a 105mm head. So its got the top tube length of a 56 frame without having a head that's too high for me

https://www.alibaba.com/product-detail/2017-Chinese-Carbon-Road-Bike-Frame_60583861883.html
If the R-1 rule is broken, what happens to N+1?

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Re: Pursuit frames

Postby Strawburger » Sat Jan 28, 2017 9:29 am

Mike, have a look at this one:

Very small head tubes, these are the ones I mentioned when you came over to check out the bike

https://m.alibaba.com/product/602377014 ... Track.html

I have a direct contact with yishun, geo tables and quote for a single purchase if you head down this path.
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Re: Pursuit frames

Postby foo on patrol » Sat Jan 28, 2017 10:11 am

mikesbytes wrote:This one looks interesting, the 540 size has a 561mm top tube and a 105mm head. So its got the top tube length of a 56 frame without having a head that's too high for me

https://www.alibaba.com/product-detail/2017-Chinese-Carbon-Road-Bike-Frame_60583861883.html


Wouldn't you be able to get enough drop with a higher -angle stem = -12 or -16 degrees?

http://www.ebay.com/itm/Specialized-Com ... 237b4b91db

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Re: Pursuit frames

Postby ironhanglider » Sat Jan 28, 2017 2:51 pm

foo on patrol wrote:
mikesbytes wrote:This one looks interesting, the 540 size has a 561mm top tube and a 105mm head. So its got the top tube length of a 56 frame without having a head that's too high for me

https://www.alibaba.com/product-detail/2017-Chinese-Carbon-Road-Bike-Frame_60583861883.html


Wouldn't you be able to get enough drop with a higher -angle stem = -12 or -16 degrees?

http://www.ebay.com/itm/Specialized-Com ... 237b4b91db

Foo


-16 is barely enough to get the stem horizontal.

Something like this inverted would be more like an old-school track stem.
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Re: Pursuit frames

Postby mikesbytes » Sat Jan 28, 2017 4:03 pm

Strawburger wrote:Mike, have a look at this one:

Very small head tubes, these are the ones I mentioned when you came over to check out the bike

https://m.alibaba.com/product/602377014 ... Track.html

I have a direct contact with yishun, geo tables and quote for a single purchase if you head down this path.
Strawburger, I can't see any measurements, can you see them? Is this the same place you brought your TT frame?

Foo & Iornhanglider, I've been down the path of using pista style stems and then a hinged stem, also played with the position of the pads. The problem is that if I was to get any lower then the backs of clips will hit the top tube. Unfortunately its a really tall frame I've got
If the R-1 rule is broken, what happens to N+1?

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Re: Pursuit frames

Postby foo on patrol » Sat Jan 28, 2017 5:54 pm

What frame do you have, Mike? My Azzurri is a 57.5cm and head tube is 118mm and from the top of head tube to centre of lug on the front fork, is 480mm. I'd post a pic but since Tapatalk no longer works here, I can't. :wink:

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Re: Pursuit frames

Postby mikesbytes » Sat Jan 28, 2017 9:26 pm

foo on patrol wrote:What frame do you have, Mike? My Azzurri is a 57.5cm and head tube is 118mm and from the top of head tube to centre of lug on the front fork, is 480mm. I'd post a pic but since Tapatalk no longer works here, I can't. :wink:

Foo
56cm Raceline Record, which was later badged Apollo. I measured the head tube at 160mm.

I also have a rather longer humerus that others compared to my leg length, so I need to more picky with head tube height.

The bike is fine except for pursuits....

Put it another way, assuming your 57.5 fits you like my 56 fits me, then your head is 40mm lower + your legs are 15mm longer, so your potential drop is 55mm less than me. And that drop is similar to my road TT bike, which has a 100mm head.

Use a simple figure, say 50mm between my track bike and my TT bike. How many watts do I save by my torso 50mm lower?
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Re: Pursuit frames

Postby Strawburger » Sun Jan 29, 2017 2:03 pm

mikesbytes wrote:
Strawburger wrote:Mike, have a look at this one:

Very small head tubes, these are the ones I mentioned when you came over to check out the bike

https://m.alibaba.com/product/602377014 ... Track.html

I have a direct contact with yishun, geo tables and quote for a single purchase if you head down this path.
Strawburger, I can't see any measurements, can you see them? Is this the same place you brought your TT frame?



Yes same place as the TT frame. Geo tables not available online, I'll send you an email.
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Re: Pursuit frames

Postby mikesbytes » Sun Jan 29, 2017 9:48 pm

Strawburger wrote:Yes same place as the TT frame. Geo tables not available online, I'll send you an email.
Thanks mate, short of getting one custom made I'm unlikely to find a better fit. Their FM078 model in size 54 has a 557 top tube so is virtually a 56 in top tube length while the seat tube is a measly 520 high, which will mean that I'll have a longer seat post but its not an issue. The head tube is 105 which is close enough to my target 100.

The specs also has stack height and its showing 491. I measured the stack height on my current frame and its 560. Even allowing for some error in measuring, that's a huge difference

So unless someone knows something I should know or another frame to look at, its looking like this one is the one

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More photos here https://www.alibaba.com/product-detail/High-end-700C-Track-bike-frame_60254012471.html?spm=a2700.7724838.0.0.FPhWpl&s=p
If the R-1 rule is broken, what happens to N+1?

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Re: Pursuit frames

Postby usernameforme » Wed Mar 15, 2017 4:16 pm

Don't mean to threadjack this thread, but what sort of crank lengths are people riding for a pursuit? Do you change your cranks out for other events? Currently riding 165mm but tempted to give 170mm or 172.5mm a shot because that's what I ride on the road...

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Re: Pursuit frames

Postby mikesbytes » Wed Mar 15, 2017 6:32 pm

I ride on 170
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Re: Pursuit frames

Postby Derny Driver » Wed Mar 15, 2017 7:49 pm

usernameforme wrote:Don't mean to threadjack this thread, but what sort of crank lengths are people riding for a pursuit? Do you change your cranks out for other events? Currently riding 165mm but tempted to give 170mm or 172.5mm a shot because that's what I ride on the road...

175s for pursuits if you can find a pair. Unfortunately I lost mine in a divorce settlement.

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Re: Pursuit frames

Postby Strawburger » Wed Mar 15, 2017 7:59 pm

usernameforme wrote:Don't mean to threadjack this thread,


That's exactly what this thread is all about, no threadjacking is possible!

I rode 165, I reckon I was underdone. May need longer cranks.
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