B10 and Di2, I am only going to say this once, so pay attention

Pardon?

you can always dream you are faster.  but it is a sweet bike.

I don't get it - could you please say it in Cantonese?

honestly pics would be best right here...

No truer words have ever been written.

I tried out a B10 with Di2.  It was amazing.  Every time I am on the hoods of my bike and I want to shift I think to myself about how much better the world would be if my bike was rocking the Di2's! 

 

While I think that having the ability to shift on the pursuit bars is nice, I can count on one hand the number of times I've felt the need to shift while out of aero on my tribike this season.

Shane

Must be nice to always be on flat courses.

I am certain that there are times when you WISH that you could shift in the middle of a climb without having to remove a hand from the hoods.

I frequently climb 9% grades during training, and when I am standing up and absolutely mashing potatoes, I can NOW shift from my 23 to my 25 without risking a crash.  Worth it?  Yes.  Perhaps for an athlete at your level you would just crush whatever gear you are in.  Also, with my hip and lower back issues, I am out of aero at least 30-40% of the time in any ride over 90 minutes.

Shane, no need for you to try Di2, though.  Even in about two years when 90% of the world is using it.

Yep.  I said it.  The future is in multi location, electronic shifting.  Both in roadies and TT bikes.

If you're mashing like that you should've been in your 25 before you hit that grade.

Don't get me wrong - Di2 is still a sweet setup.

Never been to Nova Scotia I take it



Not really, I climb aero almost all the time and if not, I'm in my smallest gear.  There are many more times that I would like to be able to shift my road bike from the tops than I have ever wanted to shift my tribike from the pursuit bars.



If you are out of aero for that much of your riding, then it is very likely a great system for you. 



As I said, the ability to shift in both positions is great (and while on the roadie/cyclocross from the tops) and at some point I am sure I will upgrade to Di2.  However, there is no way that in two years 90% of the cycling population will be on Di2.

Shane

Yawn... It's not the machine but the motor.

I saw a Speed Concept with Di2s at the LBS. I was in love!  If i could just afford it. Word on the street is that they are going to release an Ultegra version next year. A little cheaper

Yes you are correct to a point.

But he is not talking about the motor, he's talking about the transmission.

You wouldn't want to put a 1962 TF 727 Three speed auto behind a brand new Ferrari engine would you?

+1 from a (relative) newb's POV.  Bought my 1st tri bike after this season, and I got it mainly because I found it increasingly annoying to move my hands from aerobars to STI's to shift.  Spend >90% aero (inc. my 1st HIM this summer), & my road riding style is shift early (anticipate terrain).  Don't even have 1k mi on that tri bike, but I've yet to even think about shifting when I'm on the horns.

That said- It's great to see Di2 coming down in price.  Sweeeet ride when set-up right, though part of me still doesn't want to trust batteries/electronics

Great Di2 review here, though one user claimed shifting prob's after washing his bike.

http://glorycycles.blogspot.com/2009/05/shimano-dura-ace-di2-electronic-groupo.html

I know the review is old, but:

Expensive at roughly $4800 for the entire group (cranks, chain, cassette, and brake calipers included).


Nothing like spending 5k on a problem that never existed. I'm a huge toy/tech guy and think this system is just bling and silly.

I have ridden Di2 on a road bike as well as the 2011 B10.  It is awesome. I would love to have it. As far as things I could buy for my bike to make me faster, Di2 is not anywhere near the top of the list.

And if you are out of aero for 30-40% of your longer rides, you need a bike fit, or you are biomechanically challenged to the extent that you would be faster on a road bike. And I mean no offense by this.  Biomechanical issues are real.  Don't force yourself to use aerobars if you cannot, well....use aerobars. 

Most cyclists can ride in a world class road bike position. The engine is not there, but the chassis is. Most of us can look like Lance hammering on the flats. When the conversation turns to TT bikes, that number drops. Still most of us can ride a world class TT position, but less than the road position. It requires slightly more athleticism to do so. Not much more, but enough that TT bikes exclude some riders. No shame. Ride the road bike and go faster.

Not saying this is you, but being out of your aerobars for such a large portion of your longer rides should be telling you something.  A good bike fitter should be able to give you the right answer.

I'm giving you the advantage at the BOP? Okee dokee. :p

I honestly do not have any idea how this could make you faster though. When you're on the bullhorns, you can't take a millisecond to shift on the aerobars? I'm not poo-pooing Di2 by any means, but I think you're making this out to be waaaaay more important than it actually is. It's a nice addition to a bike.

In san antonio the hills are marvelous....  So marvelous that you can't climb aero 100% of the time.  I used to rarely get out of the saddle untill recently when i discovered that i avg faster times out of the saddle (excluding long climbs).  That made things very very very difficult as i can't shift out of the aero position. IF i don't hit the proper gear going into a climb, i have to sit back down, shift, then get back up. I loose tons of speed doing this.... and it happens like 40% of the time.

I rarely climb in my lowest gear (34/23). Even in the toughest hills.  Anyone wanna trade a 34 for a 36 tooth???  It's like brand new too.... 

 

Felt B10 is a $5200 retail bike.  Full carbon/Di2/40mm aero wheels/etc.  Plus I am a sponsored triathlete for my LBS.

Have you ever dropped a chain?  Practically impossible with Di2.  Self trimming.
During My first ride, I simultaneously went from my 52 to my 39 while clicking from my 21 to my 16.  About 10 times.  From heavy load to not pedaling at all.  Every time it was perfect.

As I said, if you don't want to beleive how good it is, that is

The real question is ...

Is it red?

Because that's what really determines speed.

It has red, but it is mostly carbon with a clear shiny coat over it, which makes me harny.

Ive seen 8pc Di2 groups on ebay for just over $2K Prices are dropping. Hopefully by next year it will be within reason.

nice pickup!  I want some di2, but it can wait.  need to just work on the motor for now.