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Re: BMC TM02...my build [ProudMOPer] [ In reply to ]
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ProudMOPer wrote:
Hey! Nice bike! I am also building up an 02. I have a quick question. I have the Omega brake, but it doesn't sit flush with the fork. Did you have that issue?

Thanks.

CB

I had to use the large spacer to get it away from the fork. The pad mounts were the issue. Works fine. Minimal gap.


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Fine Line Racing - "this is living"
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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cyclingdoc wrote:
In the past, I've seen mixed reports on the aerodynamics of water bottles on the frame. Many reports saying even a plain round bottle on the down or seat tube can actually be faster than no bottle. Right now I'm too lazy to find the literature. I don't mind a bottle on the bars and the HED bars setup perfectly with bottle between the bars but it's so convenient to have two plain bottles on the frame.

You are talking about the wind-tunnel testing that was done back in 2005 (or 06) by MIT. But this refers to a round-tubed bike frame that is fairly un-aero to begin with. In that case, a regular bottle and cage on the seattube helped disperse the airflow and actually saved a few watts.

You will not get the same benefit on a TT bike. It is better to not have a bottle(s) on the frame.

But be careful about the MIT study, as some things they say are spread as religion on the internet...for instance, their stance is that bike gloves are slower than bare hands. But that is in reference to thick gloves with a velcro strap on top. They never tested the aero skintight gloves that most time trialists use.
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Re: BMC TM02...my build [refthimos] [ In reply to ]
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Everyone has a black saddle. White would be great with that bike.

I have a white saddle and I frequently win my AG. I attribute it to saddle color and nothing else.
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Re: BMC TM02...my build [tikirunner3] [ In reply to ]
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Sweet bike. What is the saddle brand/model? I didn't see it referenced in the thread.
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Re: BMC TM02...my build [Toothless] [ In reply to ]
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It's a Dash Stage 9.


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Fine Line Racing - "this is living"
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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Here's a pic of mine. I've changed the setup a bit since then, but mostly the same.



----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: BMC TM02...my build [tikirunner3] [ In reply to ]
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tikirunner3 wrote:
Everyone has a black saddle.

Everyone has black tires on their car too, and I think Ferraris, Lamborghinis, et al. all look quite nice with black tires... :-)

Your saddle is exotic enough that it is still kick-ass in black. I'm currently demo'ing a Strike.9 and assuming I keep it, it will definitely be black.

Amateur recreational hobbyist cyclist
https://www.strava.com/athletes/337152
https://vimeo.com/user11846099
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Re: BMC TM02...my build [texafornia] [ In reply to ]
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please fix your photos. I want to see.


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Fine Line Racing - "this is living"
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Re: BMC TM02...my build [nightfend] [ In reply to ]
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nightfend wrote:
cyclingdoc wrote:
In the past, I've seen mixed reports on the aerodynamics of water bottles on the frame. Many reports saying even a plain round bottle on the down or seat tube can actually be faster than no bottle. Right now I'm too lazy to find the literature. I don't mind a bottle on the bars and the HED bars setup perfectly with bottle between the bars but it's so convenient to have two plain bottles on the frame.


You are talking about the wind-tunnel testing that was done back in 2005 (or 06) by MIT. But this refers to a round-tubed bike frame that is fairly un-aero to begin with. In that case, a regular bottle and cage on the seattube helped disperse the airflow and actually saved a few watts.

You will not get the same benefit on a TT bike. It is better to not have a bottle(s) on the frame.

But be careful about the MIT study, as some things they say are spread as religion on the internet...for instance, their stance is that bike gloves are slower than bare hands. But that is in reference to thick gloves with a velcro strap on top. They never tested the aero skintight gloves that most time trialists use.
Their tests were done for collegiate cycling: no tt bikes or aerobars allowed for time trials. (Must be legal for mass start road races, I think discs are still allowed and know that aero helmets are, idea is to not give equipment advantages to the rich guys) Thus a lot of the stuff might not apply to triathlons.

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Jordan Oroshiba --- Roadie invading Triathlete space for knowledge access
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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cyclingdoc wrote:
please fix your photos. I want to see.

Dammit!

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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Great looking build, very well thought out for sure. Good choice on all of the components, it looks very sleek up front.
Last edited by: gralden: Nov 7, 12 9:36
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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If anybody knows how to get these pics out of Twitpic so they're postable, that'd be helpful. I've tried and can't figure that out.

http://twitpic.com/b9ym37
Side profile. Zipp 606 wheelset with powertap, wheelbuilder cover on rear. Dura-ace brakes, rear cassette, and derailleurs. SRAM force 172.5 crank, down from a 175 Zipp crank that wasn't BB30 compatible anyway. Rich Roll's old ISM saddle that he rode the EPIC5 on. (Good luck charm). Long adjustable stem (I'm really tall). Flexible drink tubing with rare earth magnets on tip and aero bar extensions to be more like the Shiv system. Zipp Vuka aerobars.


http://twitpic.com/b9ykrt
View of cockpit. Looks a bit messy from the side, but is actually pretty clean and has everything stacked behind itself for best aero profile I can manage. drink bottle and PT unit fills up a lot of space between forearms. Lower end of bottle starts slicing wind in front of stem/stack/headtube.


http://twitpic.com/b9ym39
View from rear, trying to get impression of how skinny the bike really is. It's definitely cool in person. Love the work BMC did on this. The yellow trim color on the bike is where they did the wind breaking trip lines to squeeze even more aero out of it.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
Last edited by: texafornia: Nov 3, 12 7:06
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Re: BMC TM02...my build [texafornia] [ In reply to ]
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And I thought I had the only one in white. Jk

Thanks for putting up those photos. I wanted to see it with a white saddle to help me decide between a white and black saddle. White looks good.

Good looking bike.


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Fine Line Racing - "this is living"
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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Oh, you gotta go with as much white as possible. White looks like clean, surgical death. Like a storm trooper. Also, it's totally Scar Face cocaine with the Miami color trim. I was unsure at first, but I LOVE IT. They should have embedded an mp3 player that alternates between blasting the Miami Vice sound track and "Say hello to my little friend!" when you pass people.

The color scheme is really fun. And fun is what gets you out there day after day.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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So, how much does that saddle cost and how do you like it? I'm very interested in the concept. I'm riding the ISM and dig it for sure. Wondering if more of the same is even better.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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I have a thought or two on the bottle situation. I went with an aero bottle on the downtube to stay as aero as possible there. Once you go aero, you can't switch out bottles on the course, so that's my liquid fuel bottle. The air behind that is a little bit "dirty", so then I decided to put a round bottle holder there on the seat tube. When you combine the round bottle shape, the seat tube, and all the crap behind it, that's a rather long area and the round bottle isn't such a penalty. And that gives you a round bottle cage to take on more water course water. When you look at it from the top, it creates a very long teardrop shape.

Personally, I keep a round bottle full of tire kit changing stuff there on the down tube and then stuff course water in the back of my tri shorts, Faris-style. Not sure if that's more aero, but it's fun racing like The Furry One.

Another thing I figured out - You can take a small roach clip and pinch the very end of a classic Bento Box to give it a tapered tail. Works great.

----------------------------------------------------------
Zen and the Art of Triathlon. Strava Workout Log
Interviews with Chris McCormack, Helle Frederikson, Angela Naeth, and many more.
http://www.zentriathlon.com
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Re: BMC TM02...my build [texafornia] [ In reply to ]
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The saddle is a Dash Stage 9. Didn't buy it yet. Just a demo. It's pretty pricey. I think $450. (same concept as golf with drivers and putters. people will pay a ton of money for a driver they use 14 times a round but won't spend any money on a putter that is used 30+ times). Similar to the ISM, but more comfortable, and at the same time it feels more like a regular saddle when seated upright or a little further back or when climbing.


Thanks for the feedback on the bottles. I considered an aero bottle but then can't refill it. I like two standard bottle holders.


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Fine Line Racing - "this is living"
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Re: BMC TM02...my build [cyclingdoc] [ In reply to ]
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I still don't see a lot of white BMC TM02s out there, so here's my build so people can get some ideas. Just thought I'd throw it out there. I upgraded to full sram Red all the way around, sram tt 900 shifters and brake levers. And I would still like to get some race wheels in the near future.

http://www.flickr.com/...1020@N06/8521917740/
http://www.flickr.com/...1020@N06/8520812751/
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Re: BMC TM02...my build [npwise] [ In reply to ]
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Sweet!
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