Which groupset is the lightest?
 

I'm just curious which groupset is the lightest?
Record or Dura-Ace? Or is Sora out on top again? ;)

Thanks
-Peter

Dura Ace is actually lighter.

Thank you...

No problem, you can actually compare weight/pricing at http://www.competitivecyclist.com/za...AGE=BUY_GRUPPO

I'd rather go Dura-Ace..
It's like ~200 grams lighter and like $500 cheaper...
Damn.. I'll just lay off McDonald's the day before...

Record with carbon or alloy cranks?

On longer rides, I figure I pee out more than 200g.

if you've got nothing to do, you can add up every individual component:p

http://weightweenies.starbike.com/

actually... da is 40g lighter... and about $150 less expensive at comptitive cyclist

da: 2172g
record: 2214g

with carbon cranks, record is 2082g

... and if you stand the entire ride you can save over 1/2lbs. by omitting the seatpost and saddle! :)

I guess that's me. I came up with record being lighter when they use the carbon cranks. Feel free to correct any discrepancies, I pieced this together in a hurry.

Record D-Ace
Component Weight Component Weight
FD 88 FD 83
Shifter 328 Shifter 420
Crank 580 Crank 738
RD 188 RD 181
Brakes 312 Brakes 309.5
cassette 156 cassette 173
BB 190 BB 0
Totals 1842g Totals 1904.5g
* Weight in grams
** D-ace has integrated BB

Well it looked neat when I pasted it from excel. Must have issues with cutting and pasting from excel.

Record 1842g
D-Ace 1904.5g

When you take the time to actually fill out the Competitive Cyclist calculator with equivalent parts (ie the same front derailleur at 31.8)

it ends up like this

DA 2180g and $1574
Record 2185g and $1444

Why anyone would pay an extra $130 for DA is beyond me.

Weight weenies is independant of manufacturer and has less chance of being biased than the manufacturer. Competitive cyclist uses claimed numbers from the manufacturer. (I used 31.8 for both btw)

Ummm MIXED NUMBERS?

specifically???

Yes, and weight weenies is also populated by a lot of wishful thinking and inaccurate scales. I know, I'm a big contributor to that site, being a nutcase that measures everything. Not that I am suggesting that the MFGRs are accurate however.

Surprising to me is the fact that the numbers you posted are actually less than what the CC calculator has. I have never encountered a single item, Campy or Shimano, that weighed less than the MFGRs published weight.

Now for the hard part: figure out which is lighter with downtube shifters.

simply red said its lighter and cheaper, Trogon said it was lighter and more expensive for 5 grams, jitteringjr said it is lighter.

*it=DA

See mixed views, some are sayinf Da is lighter and more expensive, some are saying its lighter and cheaper. I dont know.

Does Campy make record downtube? I never even thought of that!

Agreed

I didn't include the chain weight because I would go with a good wipperman chain over either of theirs.

I just did it again (this time on CC.com) I got 2180 D-ace and 2046 Record. (I used the carbon crank though, which adds like $400, but it is Record stuff so it should be included right?)

* it = Record - according to me :) see my last.

Ah - so the chain was the diff.

I too looked at it with both the CF and alloy cranks, but apples to apples though, alloy both, and the diff is only 5g. Still boggles my mind that DA in that configuration costs more.

What's even more obscene is Chorus vs. Ultegra - $1069 vs $1019 and 2395g vs. 2576g. 200g for $50, not to mention the details of Chorus.

Never thought I see the day when Shimano got so proud as to compare Ultegra to Chorus. :D

I didn't realize that Ultegra's price jumped that much when they went to 10 speed. ( I used to have Ultegra 9 on usedta bike)

Compare Centaur to Ultegra. Centaur is 30 grams lighter and ~$300 cheaper. Now that makes me feel even better about going with Centaur.

Yeah but was that Centaur with the carbon crank?

nope, but I wouldn't mind having one.

More interesting is whose derailleurs,shifters, chain, cassette weigh less.

If you are a true weight weenie you won't be using factory cranks ,hubs, brake calipers . You'll be using aftermarket parts for those things.

Yeah but if you're going to be substituting chains then where does it stop? Because by that logic you're be ditching half the group with either company. For instance, I'd too go with a Wippermann chain (probably the 1011... the TR is too extravagant even for me). I'd pick some other crank over any of theirs... probably the Stronglight Pulsion crankset. I'd try to mate it with an FSA MegaExo-ISIS BB (yes, I know FSA says it won't work but I think subsitution of the bolt may do the trick) and if that didn't work I'd go with Stronglight's Twister SL BB. I'd substitute in 0G brake calipers. I'd use Ronda Corsa wheels with a Wheels Manufacturing Accelerator 10 cassette. Headset would of course be Chris King. Seatpost would probably be Easton. I'd probably even use someone else's cables. So what am I left with that's either Shimano or Campy? Brifters and front and rear derailleurs?

Dammit.. you beat me to it. :D

I think Campy turns out to be lighter if you are talking those parts. Campy brifters are much lighter than Shimano STI's.

I'll certainly agree with that.

I see what you are saying and agree. However, when I bought my Centaur group for my custom build, the chain was not part of the package deal. So I just went with what came with my package. I guess it would have helped if I had clarified that before.