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Re: 2D Video analysis. Dartfish an Gebiomized [JTroelsen]
JTroelsen wrote:
Hi,

I´m looking into new equipment in my shop.

What are your thoughts about video analysis?

I´m thinking Dartfish, or Gebiomized.

is it useful.

Jesper

Bikefitting.dk

Denmark


Hi Jesper,

I took the liberty to take a look on your website and i see you already use the shimano fit bike so you have the most important tool. Well, besides knowledge off course because that is the most important tool of all ;-)

I worked with 2d video analysis when i started but i went pretty fast with a retul system. I was quite happy with it, but since specialized took over the company we saw a change in how they work and availability in some products shifted to be exclusive for specialized dealers. So we went away and i bought the guru. The guru system has a 2d system that works with the kinect camera but, well,lets say it needs some improvements. All systems that work with reflective markers seem to have some issues. I'm currently looking at stt systems, fit4bike but i am not sure about either. In video real time is very important, another thing that might be helpful in your case is to see how many cameras to can work with at the same time.

As far as i can tell from your pics your fit space is limited so it would be nice to see to have a camera on both sides and one in front. But not all systems can handle this. Most can handle at least 2. So at 2 sides or 1 on the side and 1 in front so you can skip the laser tool and just switch between cameras.

I tried the Velogic system, but couldn't get it to work properly, but to be honest i didn't have their original markers. They are nice people and i am sure will help you, if you are interested, with a trial version. I think i couldn't get it to work because off my own made markers.

Or you can see if the shimano system is something for you. That works similar to retul. But more expensive then video systems.

I have a geBiomized pressure mapping saddle system. That is an interesting tool, but i don't use to see what saddle fits best. Like dan is saying, i also rather trust the customer feedback on how saddles feel for them. We have worked on a routine with the switchit tool from bike fit what on itself is a wise investment. I use the pressure mapping sometimes when clients have a hard time choosing between saddles because they both or a couple more feel fine. Sometimes the pressure itself can be a guideline in that case, but in triathlon saddles it often does not work that well since the first 3 cm of the pressure system don't measure anything. We use it more to see differences in stability between saddles in road cyclists with leg discrepencies or other physical problems that causes instability. Then the pressure mapping comes to full force. But it is an expensive tool, one of the last to invest in in my opinion.

I don't know how your balance is in road and tri bike fits, but next to the analysis system, i would invest if you not already have is get a reasonable amount of saddles for customers to try during a fit. I have a serious range of ism's, almost all cobb's, the tritones and misticas from fizik in both widths, a few prologq's, bontrager hilo, power pro from specialized, etc. I sometimes spend more time on choosing the right saddle and explain how to sit on it the rest of the fit. I feel saddles are that an important part of the fit.

If you go for a video system be sure to get the right cameras with enough fps otherwise you will get blurry images.

If you like to know something i can help you with feel free to drop me an email

Regards,

Jeroen
tri-run.com

Owner at TRIPRO, The Netherlands
Last edited by: tri-run: Feb 9, 17 13:46

Edit Log:

  • Post edited by TRIPRO (Dawson Saddle) on Feb 9, 17 13:46