Bike fit critique, please

Hi, everyone. Yes, that’s another “cririque my fit” post :slight_smile: This is my first tri bike. I was fitted on it when I bought it. The fitter is actually listed here on ST, so I assumed that my fit should be OK. I do feel very comfy, so far my longest ride was 3 hours in aero. My A race is my first IM in September, so I need a good combination of aero/comfort. After I watch my video I noted that my hips are rocking a lot. So my guess first advice will be lower my seat. By how much? What else? What about my helmet? I think it doesn’t fit me well. What should I do? Replace it? If yes which model would you recommend? What about my clothes? I am planning to race in this outfit.

PS. I do have another seat post with 78-80 angle.

Thank you all in advance!

https://www.youtube.com/...amp;feature=youtu.be

Nice clear video, and the slo-mo helpful!
I would recommend that you continue the relationship with the person who originally fit you, and discuss these questions you have. If you’re already doing 3hrs in aero that’s a good start, but give him/her feedback and doublecheck all measurements.

My observation from way across the internet is: what cranklength are you running, and what saddle are you using?

Nice clear video, and the slo-mo helpful!
I would recommend that you continue the relationship with the person who originally fit you, and discuss these questions you have. If you’re already doing 3hrs in aero that’s a good start, but give him/her feedback and doublecheck all measurements.

My observation from way across the internet is: what cranklength are you running, and what saddle are you using?

Hi, Anne. Thanks for respond. Crank length is 172.5 The saddle is sitero. I am 5’9, 128lb.

I’d try moving your saddle forward and extending the reach… see how that feels. Could try going a little lower in the front also. Drop saddle then if necessary and no more than necessary.

Helmets you will need to try. Get one that blends in good with your back. Since your head is well above your back, then longer helmets will probably work best rather than the little short things that are currently fashionable.

Maybe a Specialized TT2?

http://www.tririg.com/articles/1046_Macca_Shiv/650/1046_Macca_Shiv_5.jpg

After I watch my video I noted that my hips are rocking a lot. So my guess first advice will be lower my seat.I agree, it’s too high - by a good bit. I only measured one frame, but the measurement was ~155 degrees, 145 is a lot more reasonable.

After I watch my video I noted that my hips are rocking a lot. So my guess first advice will be lower my seat.I agree, it’s too high - by a good bit. I only measured one frame, but the measurement was ~155 degrees, 145 is a lot more reasonable.

x2

Not only is your leg extension on the high end but you drop your toe a good deal to achieve that angle as well. So for me the two might combine to need a couple of cm of drop in seat height.

If you do drop the seat height you will need to drop the front end just to even stay “on par” with your current position let alone dropping the front end just a bit more as you adjust.

YMMV,

Hugh

OK, I lower my seat by 1.5 cm. I can’t make it lower, I need to cut my seat post first. How I can do it safely without damaging my carbon seat post? I do have tools :slight_smile: I also took away 2 spacers. Still have one left. I don’t know if it looks any better. Why my helmet looks so weird? What’s wrong with my head position?

https://www.youtube.com/watch?v=sy0gRjmFmG8&feature=youtu.be

I’d look at moving your saddle and bars forward now. Might be able to lower your bars as well.

Also try tilting your helmet back as much as you can, and practice keeping your head down and much as possible.

I’d look at moving your saddle and bars forward now. Might be able to lower your bars as well.

Also try tilting your helmet back as much as you can, and practice keeping your head down and much as possible.

^^^^This.
Knee angle is still on the high side, but I’d address it first by sliding the saddle forward a bit, before lowering the seat.

How’d you slow motion the video?

I don’t think move my bars forward. Should I still move my seat forward?

https://lh6.googleusercontent.com/-9lW3cnLq4ho/U0HXzjt9zBI/AAAAAAAAABQ/nfj50CGGG5k/w712-h532-no/photo.JPG

How’d you slow motion the video?

I used vegas movies studio, it has this function.

*I don’t think move my bars forward. Should I still move my seat forward? *

Longer and lower stem. And adjust your pads so they are facing forward rather than angled outward.

Especially when you are first trying to dial in your position it’s important to use bars that have a lot of adjustment… like Profile T2s, etc.

I don’t think move my bars forward. Should I still move my seat forward?

https://lh6.googleusercontent.com/-9lW3cnLq4ho/U0HXzjt9zBI/AAAAAAAAABQ/nfj50CGGG5k/w712-h532-no/photo.JPG

Yes.

You can always see how this all feels by temporarily sliding your elbows forward a bit with the existing pad position (you may also have one adjustment left on the arm pads), before investing in a longer stem.

I can move pads forward. So I am going to do it now and will move my seat also (have to change seat post for it) and then will make another video.

https://lh5.googleusercontent.com/-mwzjSWWiS7o/U0Hmj5FdtdI/AAAAAAAAADU/aGsUl_d5d1U/w712-h532-no/photo%25281%2529.JPG

And adjust your pads so they are facing forward rather than angled outward.

I don’t see how I can adjust it :frowning: I can get a new stem but I don’t want to buy new bars.

That one oblong screw hole is so you can angle pads foreword. Loosen both bolts and push upwards.

Why don’t you get a professional fit? Also, I would switch helmets for sure.

I can get a new stem but I don’t want to buy new bars.

IMO it is the most important equipment for someone starting out. Get a fairly long adjustable stem and bars like I mentioned that allow a huge range of adjustment. Then you can try any position you wish and you won’t need to buy anything else. They are cheap… like $30 for the stem and $100 for the bars… less if you buy used.

There is no way to tell what is “right” until you try it… and that means riding too, and adapting if necessary. And if you are serious about getting fast, your position is going to evolve over time. It’s amazing all the variations I’ve been through over the years.

All anyone can do is ballpark position by looking, and that includes pro fitters. And sometimes they do a really poor job of that.

That one oblong screw hole is so you can angle pads foreword. Loosen both bolts and push upwards.[/quote

Yes, I figured it out :slight_smile: Thanks.