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Races, Do You Use Atomic Coated Drivetrains or other race day only parts?
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I sold some of my used Atomic 10-speed parts on here in the ST classifieds when I upgraded to 11-speed and I know a few users have purchased using my regular 10% off code in the past, although I am never sure whether those referrals come from here or my own website. Nonetheless I am curious to know who else on here is running coated parts? If not, do you use a separate race day drivetrain and if so what do you swap out?

From a pro perspective it is always interesting to see the number of people who run Atomic parts but never really talk about it. I follow my direct peers pretty regularly and I am always checking out drivetrains in transition. If I see a dirty bike it immediately gives me confidence on the bike as I know it is hurting them more than it is hurting me. I have seen Tim Reed talk about it and Meredith Kessler (big yellow chainring). I showed up at Raleigh 70.3, racked late in the day, and I was surprised to see Matt Chrabot and Andreas Dreitz on it. In addition I have also seen Leanda Cave, TO, Rinny, Big Sexy (big yellow chainring), Pat Evoe, Kelly Williamson, and Lauren Goss run their stuff along with various BMX racers and track cyclists. I know there are probably many more pro athletes running Atomic parts and I am always surprised that they never bring it up. Opposite of a dirty bike, when I see a pro with Atomic parts I know they are working towards details, and details add up.

As for Atomc, the owner Andy is an extreme hobbyist just like us, although he mainly focuses on track racing now. He went to the wind tunnel, he worked with John Cobb, and when he still wasn't satisfied he started tinkering in new areas including drivetrain friction. He has a day job in Houston with oil, and family, and Atomic is still a labor of love more or less, but his parts helped secure a US Gold at the Olympics.

As for me, I personally have been using Atomic parts since 2013 and frankly one of the biggest benefits I have come to realize is just in the swapping out of race day and training day parts in general. I know it takes some time but the benefits have included running beefier training equipment such as 105 chains, cassettes, and chainrings for longer and more reliable wear. When I switch over to race gear all the equipment is clean and relatively unworn. I don't have to worry about a chain that has become too stretched or a middle cog that is now EOL and jumping all over the place. In addition, I have become much more in touch with my bike and maintenance in general. It amazes me what I catch versus a few years ago when I tended to train and then slap on race wheels for race day.

Fwiw, this past race at IMMT where I was sadly a DNF, I was swapping out pulleys and I noticed the derailleur hanger was loose. I wonder as well as I see so many pros who run beefier tires but flat and here I am with TJ running paper thin Supersonics and usually incur no problems. Again, I think it has to do with inspecting my tires post-race or pre-race for any small glass shards and removing them, where as I feel my peers, and especially those running tubulars, tend to over look this.

As a fellow bike geek I am curious to know if you are running Atomic parts and any feedback you might have. If you don't run Atomic Parts, what degree of race prep do you do, ie, do you use a race day cassette and chainrings, race day chain, pulleys? If not why not? Atomic is running an ad currently on the ST front page - if you are interested in trying out Atomic parts now is a good chance to save 15%. I will notify Andy of this thread in case anyone has some questions as he is a lurker and sometime poster.


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Last edited by: Thomas Gerlach: Aug 28, 15 9:26
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Thomas Gerlach] [ In reply to ]
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Thomas Gerlach wrote:
...I was swapping out pulleys and I noticed the derailleur hanger was loose.
A good question might be: Do you do your own bike prep or do you depend on a race-site LBS or service to assemble/tweak your bike after traveling? As a long-time bike geek I have sufficient tools, parts, and background to inspect and do on-the-spot repairs or improvisation with confidence; but quite a number of posts on here convey a general fear of doing anything to the bike lest they somehow mess it up, and also a lack of knowledge on tools and/or parts such that it would be surprising to see many riders do race-day-only part substitution (other than tires/wheels).
As an example, take the frequency of Cassette or chainring questions.

Less is more.
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Thomas Gerlach] [ In reply to ]
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Great timing on the post. I got ahold of Andy and am about to call him.

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Thomas Gerlach] [ In reply to ]
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Question: What is the difference, or estimated difference between a well cared for and superbly cleaned and lubed drivetrain vs one by Atomic? I'm not sure I'm sold on the whole race-day-only components.
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Thomas Gerlach] [ In reply to ]
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Thomas, just got off the phone with Andy. I'll be sending him my chain, cassette, and chain rings at the end of my season around November.

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Thomas Gerlach] [ In reply to ]
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I too would be curious to know the supposed savings by part. I see on the website that there is a chart for time savings at different distances, but is that broken down in more detail anywhere? Also, how long does the coating last?
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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From my phone call with Andy, he said 1000 to 2000 miles depending on where you live

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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nickwhite and dmorris, thanks for asking...the difference in performance is quoted against a new drivetrain. The quoted numbers on our site are the result of independent testing. We did not ask and they did not break out each part as it is intended to be used as a complete system.

I can tell you this, of the three main components in the drivetrain, the chainring has the smallest contribution. The cassette and chain, due to the more moving parts and tighter wrap of a cassette, contribute the largest amount of friction. I would SWAG it at 75-80% for the cassette and chain.

One thing I can say with absolute confidence, Kristin Armstrong would not, and USA wouldn't allow her to use the parts at the London Games unless the KNEW the benefits are real. Yes, she is using the parts again as she comes out of retirement and she won Nationals this year with her Atomic coated parts. Same for the upcoming World's, along with many other USA athletes...

Best,
Andy

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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For anyone wondering what it looks like, here is an example from Patrick Evoes bike. Atomic can coat it in different colors



Tim Reeds bike



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Last edited by: BryanD: Aug 28, 15 11:24
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [BryanD] [ In reply to ]
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Thank you Brian!

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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Here is a few more:

Meredith Kessler's bike



Matt Chrabot



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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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I forgot to include the shameless plug...right now we are doing a Slowtwitch promotion and offering 15% off and free US shipping. There is a link on the main page or click here, use STFLASH at checkout for the discount. This is on in-stock items only...

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [Big Endian] [ In reply to ]
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You can always have a bike shop put on a race-day drivetrain, but yes there are many individuals out there who don't know much about bike maintenance. That is unfortunate because if they race enough there will eventually become a point where they get hosed. In addition, I know that I would never trust my own bike maintenance to a local shop. Somethings I do just because I don't want to own the tools, but for regular maintenance I trust myself more than I do a guy at a local shop making what I assume is a fairly minimal wage. Not to say the can't do a good job, just that most of the time I know I am accountable for the mistake if something goes wrong.


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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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A little light reading...Molly broke the Hour record earlier this year using our stuff...

http://www.tririg.com/articles.php?id=2015_08_Molly_Van_Houweling_Cervelo_T4_Hour_Record



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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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Found this on the Atomic website


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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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How long does the coating last on a cassette and chain? How many miles/races can one expect to get out of such a pair? As the coating degrades, how does that impact friction? Where can I read more about the independent testing and watt savings? Thanks.
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [ckhirsch] [ In reply to ]
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ckhirsch, the coating lasts between 1000 and 2000 miles dependent on the conditions which you race/ride and the amount of maintenance you perform on the bike. Because the coating impregnates the metal you are getting benefit even once the coating begins to wear, although it does decline over time (usage).

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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Interesting data from Cervelo as well:



http://www.cervelo.com/...es/aerodynamics.html

If rolling resistance is 5% and we spend hours examining the latest tire data, shouldn't we also be concerned about the 2% drive train friction?

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [BryanD] [ In reply to ]
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Something doesn't seem to add up here. I don't doubt there are gains to be made from reducing drivetrain friction, but the graphic you just posted shows 11 total watts for drivetrain friction in the 4km pursuit. Using the rule of thumb 5 watts is about equal to .5 second/km, if that went to 0, we're looking at 1.1 seconds/km, but that's basically what the claim is for just chainring, cassette, and chain (43 seconds for a 40km race). Adding the the BB, pulleys, etc. to get more time savings seems impossible at that point. Maybe Cervelo didn't incorporate those things into "drivetrain friction" but I would love to see how the independent testing was done because those Atomic numbers seem amazing.
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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Yeah, I have no idea how Cervelo calculated those numbers. I'm really interested in drive train friction so Atomic intrigues me. Marginal gains....but at least it's something?

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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dmorris, I can't comment on what Cervelo did. I can tell you I met with a large manufacturer last year and they told me "no way you saw these gains." It so happens that the independent was working for said manufacturer after they did the testing. The engineers talked about the testing protocol while I waited, and then they agreed, "okay, this is correct."

We don't know what Cervelo used and consider drivetrain... I know what we had tested.

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [BryanD] [ In reply to ]
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Oh, I'm interested in drivetrain friction as well, and the fact that Kristin Armstrong and USA Cycling use it is a great endorsement. One thing I'm wary of is Cervelo doesn't have a dog in this fight because they're not in the drivetrain efficiency business, and lots of other people on here have talked about drivetrain efficiency being in the 2-3% range for a well maintained system. I'm trying to reconcile that with those time saving claims. Like I said, I don't doubt there are gains to be made, but I'm not quite sure I'm going to see 43 seconds/40km for the Basic Upgrade or 1:12/40km for the Full Treatment. That's why I would love to see how those numbers were derived.
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [QKRTNU] [ In reply to ]
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Can you say who did the independent testing?
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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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I like to think of it like this.

Metal under a microscopic view has lots of ridges. The Atomic coating will fill those ridges and make the metal smoother therefore giving the metal less friction. Yes, we may be only talking about a watt or so, but remember, Ceramic Speed just released a $600 over sized pulley system that saves 1.5 to 2W.

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Re: Races, Do You Use Atomic Coated Drivetrains or other race day only parts? [dmorris] [ In reply to ]
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Check your PM

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