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Have a laugh - critique my position :)
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Chrace




Joined: 28 Apr 2010
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Location: Eating a Yorkie

PostPosted: Tue May 16, 2017 10:36 am    Post subject: Have a laugh - critique my position :) Reply with quote

So, been a while since we had one of these. Critique! Bombs away!





I've not optimised anything really, just hopped on a went for it at a local 10TT. Focus is hills so this was for fun, but nonetheless first time I had a side view of my position.

My head seems really high but I can't see how I can lower it (without changing frameset...). I do have the option to lower the stack by up to 2cm, not sure how the neck would take it though.

Not sure the pics can even be used. They are both from mobile phones, and while not great I'm still thankful to the marshals who took them and shared.
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Pedro Peru




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PostPosted: Tue May 16, 2017 11:43 am    Post subject: Reply with quote

Don't British Cycling help you with your position?
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SidSnot




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PostPosted: Tue May 16, 2017 12:10 pm    Post subject: Reply with quote

You could try to "turtle" your head, that will get it lower
http://cyclinguphill.com/ways-improve-aerodynamics/
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Jorgan




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PostPosted: Tue May 16, 2017 12:49 pm    Post subject: Reply with quote

Pedro Peru wrote:
Don't British Cycling help you with your position?

Very Happy

Yes, lower your head; you don't need to reduce stack to do this. Also wear a more aero helmet of course.
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Tin Pot




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PostPosted: Tue May 16, 2017 3:19 pm    Post subject: Reply with quote

Hard to see - is your foot extending at the bottom to make up for a saddle that's too high?
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Chrace




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PostPosted: Tue May 16, 2017 6:56 pm    Post subject: Reply with quote

Jorgan wrote:
Pedro Peru wrote:
Don't British Cycling help you with your position?

Very Happy

Yes, lower your head; you don't need to reduce stack to do this. Also wear a more aero helmet of course.

I got that aero suit at the York cycle fair - 20!! Wrong country and all, but that's gotta be a bargain. Smile

Helmet is an Evade which is, apparently, not far off the CdA of a tailed lid?
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Chrace




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PostPosted: Tue May 16, 2017 6:59 pm    Post subject: Reply with quote

Tin Pot wrote:
Hard to see - is your foot extending at the bottom to make up for a saddle that's too high?

Curious - what did you expect to see?

My knee is quite bent so despite foot stretching probably not a seat that's too high. Did you expect flat foot at the bottom?

I'm not rocking the hips. I think the height is pretty good, feels about right.
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hammerer




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PostPosted: Tue May 16, 2017 8:40 pm    Post subject: Reply with quote

Chrace wrote:
Tin Pot wrote:
Hard to see - is your foot extending at the bottom to make up for a saddle that's too high?

Curious - what did you expect to see?

My knee is quite bent so despite foot stretching probably not a seat that's too high. Did you expect flat foot at the bottom?

I'm not rocking the hips. I think the height is pretty good, feels about right.


I wouldn't take bike fitting advice off TinPot. Have you seen his photos Wink

Generally looks OK, nothing looks majorly wrong from those photos. After you get the basics the best way is to test position using PM and speed plugged into Golden Cheetah if you have time.
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Tin Pot




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PostPosted: Tue May 16, 2017 9:12 pm    Post subject: Reply with quote

Chrace wrote:
Tin Pot wrote:
Hard to see - is your foot extending at the bottom to make up for a saddle that's too high?

Curious - what did you expect to see?

My knee is quite bent so despite foot stretching probably not a seat that's too high. Did you expect flat foot at the bottom?

I'm not rocking the hips. I think the height is pretty good, feels about right.


Less extension perhaps. Knees look ok to me.

Again hard to see as the first pic is not with pedals verticle, but are you getting enough space between body and thigh at the top of the pedal stroke? Looks like that hip angle could be too low.

As Hammerer so eloquently puts, Im not the most experienced here on this matter.
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Pedro Peru




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PostPosted: Wed May 17, 2017 10:57 am    Post subject: Reply with quote

Chrace wrote:
Jorgan wrote:
Pedro Peru wrote:
Don't British Cycling help you with your position?

Very Happy

Yes, lower your head; you don't need to reduce stack to do this. Also wear a more aero helmet of course.

I got that aero suit at the York cycle fair - 20!! Wrong country and all, but that's gotta be a bargain. Smile

Helmet is an Evade which is, apparently, not far off the CdA of a tailed lid?

Only kidding, I had nothing sensible to add.
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explorerJC




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PostPosted: Wed May 17, 2017 11:06 am    Post subject: Reply with quote

Tin Pot wrote:
Hard to see - is your foot extending at the bottom to make up for a saddle that's too high?


do you mean - "is he using anterior muscles to drive the pedal upwards"?

probably...
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Jorgan




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PostPosted: Thu May 18, 2017 8:43 am    Post subject: Reply with quote

Chrace wrote:

Helmet is an Evade which is, apparently, not far off the CdA of a tailed lid?


If you contrast my slightly lower head, coupled with an A2 you can see how 'clean' the area is behind my head, when compared to your top picture. My arms are angled a little higher, but I reckon our back angles are very similar.


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Last edited by Jorgan on Thu May 18, 2017 8:47 am; edited 1 time in total
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Jorgan




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PostPosted: Thu May 18, 2017 8:44 am    Post subject: Reply with quote

Tin Pot wrote:

As Hammerer so eloquently puts, Im not the most experienced here on this matter.


We are still waiting for your big reveal on the E-118.
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Tin Pot




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PostPosted: Thu May 18, 2017 11:53 am    Post subject: Reply with quote

Jorgan wrote:
Tin Pot wrote:

As Hammerer so eloquently puts, Im not the most experienced here on this matter.


We are still waiting for your big reveal on the E-118.


I was waiting for a picture from Pays D'Aix but they only have a shot while I was ~#*$ about coming out of T1. Plus I'm still fat as ~#*$.

I'll post a picture as soon as the forum allows me to, I haven't been able to upload pictures for weeks.
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Chrace




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PostPosted: Thu May 18, 2017 1:00 pm    Post subject: Reply with quote

Jorgan wrote:
Chrace wrote:

Helmet is an Evade which is, apparently, not far off the CdA of a tailed lid?


If you contrast my slightly lower head, coupled with an A2 you can see how 'clean' the area is behind my head, when compared to your top picture. My arms are angled a little higher, but I reckon our back angles are very similar.


Nice one Jorgan. I actually want to raise my arms a bit since I feel I am sliding forwards. Raise a bit, more direct pressure on the pads and less slip. Might also relieve my wrists which seem to get an unnatural twist with the s-bends (Vuka, so not completely s-bend but still considering j-bends).

How long can you (the general "you") stay in a turtle neck position? How long did it take to be able to do so?
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