Alex Dowsett had NoPinz add a pocket for a hydration bladder in his TT suit baselayer. I wonder when this will be available for the masses?

https://www.youtube.com/watch?v=Yz8vSN0FYjQ

Interesting that a few of the Elites in the Mens UCI TT (happening now) are using bottle down the front of their suits including Remco Envepoel.

Looked like a lot of guys had something down their kit in that TT. Clever use of an undershirt with pocket although in my experience using the same sized bladder, a tight-fitting aero tri kit holds it in place pretty snug.

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Not sure if anyone has remarked on it, but I did notice that there was someone on the bike who had a bottle reversed and in a holder that extended it behind the stem and headset. Wondered if that had any aero effect. It's a cheap and quick setup and from a visual point of view doesn't look as odd as stuffing something down a skinsuit.

And Remco just won the time trial with a shirt bottle down the front. It looks like shit. I blame triathlon. I'm mortified. Huge L for aesthetics in sport today...

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Do you have a screenshot? I used to do this a few years ago, but stopped.

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Have a look at 15:56 of the PTO race highlights (51:17 long) it appears to be Magnus Ditlev.

There was no other rider with a bottle in that position. I have no idea if it does anything, but as everyone is trying new stuff all of a sudden, who knows.👼🏼

I mean, doesn't it do the same thing that the bottle in the jersey does? i.e., fill that empty space up? I may opt for this strategy again for my next race. It's a pain riding like this because the bike gets super squirrelly, but I'm willing to do it on a flat course like IMMD.

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@floathammerholdon | @partners_in_tri

Pretty sure he never drunk from that bottle either ;-)

As I mentioned, I was curious, maybe this is another test option for the "Fast or Fiction with Ero sports" to test.
Minimal setup, dead easy to test. I'm doing a dead flat race on Sunday, easy to see if I get a fast bike result.

That is not a bottle down his shirt it is the radio but I think it serves the same purpose as a bottle down the shirt for aerodynamic purposes.

I thought that too to begin with but it is distinctly larger than the radio that Ganna had down his front.

Does it look worse than this though?

Step 1 - Buy the biggest radio you can find.

Step 2 - Add a big battery, since these things are prone to losing power. Wink Wink..

Step 3 - Put it in some sort of protective covering, "just in case you crash"

can some one smarter than myself explain how this rule in the IM competition rules doesn't prohibit things down the front of the suit on the bike.

(m) Except as set forth below in Section 5.02(b), additional equipment that has the effect of reducing wind resistance is prohibited during the bike segment of the Race (whether such equipment is worn under the athlete’s clothing, over the athlete’s clothing, or is otherwise attached to the athlete's body or the athlete’s bike); (DSQ)

no, nobody can because it does (unless the item is a true hydration system which just happens to have aero benefits but this is not normally the case). that rule is pretty much never enforced - see the "DIY aero add ons at the 70.3 Worlds" thread

GCN's take on the 'bottle/bladder down the front' fairing (for TTs governed by ICU rules) - and also tricep and calf enhancement (!) - there are pictures (from the UK National 10km last week, Dowsett 3rd). Followed by an appraisal of BMC's latest apparition.

Do you think the weight of the water bottle helped at all , have you done this with and without a full 1.5 L bottle ?

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The importance is the shape of the bottle, not the weight. The actual amount of water in the bottle is irrelevant.

If that wt can be transferred to the pedals like Cambel back maybe not ???

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That was really interesting, thanks for sharing. I watched some other videos too, including the calf guard tests. I bought Rule28 ones in 2021 after hearing a scientific triathlon podcast where a coach/aerodynamic scientist being interviewed said calf guards showed significant aero savings, and specifically mentioned the Rule28 ones. Here’s hoping the correct size will make a difference!