105 Di2 vs. ULTEGRA Di2 (REAL WEIGHTS AND REAL PRICES)
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- čas přidán 30. 07. 2024
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0:00 intro
0:20 group difference
1:44 WEIGHTS OF EACH COMPONENT
4:00 complete group weight
4:33 noticeable differences
7:50 price difference complete group
8:50 My conclusion which is better - Sport
Just so you know, in the weighing part of the video, I weigh the 105 stuff first and then the ultegra version of it. just so there is no confusion. if you have any questions about the two groups, please do not hesitate to ask me.
Becareful what you wish for. They will just increase the price from $8500 to $9000 to justify Ultegra, not lower 105 to $7500.
I have a quirky question, that has yet for me to find an answer to. Which is i was wondering if i can fit the ultegra 52-36 chainrings on the 105 cranks.
@@isaacmorales2656 yes
@@isaacmorales2656 i don't see why not
This video convinced me to go with 105 DI2. After about 500 miles, I'm very happy
very useful, and I agree this decided me to buy 105 - 239 g is a big gulp of water. $750. Having had both sets on recent bikes, I feel no difference in braking and I never use the top buttons so it was a no-brainer
Thanks for doing this. Pretty sure a lot of people appreciate this helpful information in regards of which one to buy.
Of course!!! I hope it helps some people out :) thanks for watching
I really appreciate your attention to value and sharing that information with us.
One thing I would recommend for anyone considering 105 is upgrade the rotors, I had constant issues with warping which immediately went away after swapping to XTR.
Jesus christ same here. I never had a problem with Ultegra r8000 rotors, but those r7000 rotors warped so easily. It's not as if I was descending mont ventoux every weekend, no excuse for it.
@@crimson177 Yep it was my first experience of road disc and I honestly thought I was doing something wrong!
XTR rotors are a gem 🙏🏽
They make them by sandwiching a sheet of aluminium in between 2 sheets of stainless. Stainless is very sensitive to warping when heated and the spider supporting the rotor is very small compared to the RT-MT800 (XT) or Ultegra rotor. That makes the rotor less rigid. I prefer to use Shimano Deore Rt-64, they don't warp as much because they are solid stainless. I also found that they don't wear as fast as the ICE-tech.
What a really excellent video bud. 🙏😎👍🏻
I’ve been debating between the two options, thanks for this video.
You are welcome
I’ve not finished the video yet but this is the most honest piece of bike content I’ve see about these group sets
thank you so much for the comparison video! Very details and good recommendation
Glad it was helpful!
Awesome review, GREAT stuff, HELPFUL! Thanks
This video will level you up in the CZcams bike community. Kudos. Keep them coming.
Thank you very much!!
Thank u for sharing these practicable information between these two Shimano group sets~
you are welcome!!
Over the years, I have found that the main differences btw 105 and Ultegra and D/A out side of obvious price and weight is fit and finish, precision and longevity. This is particularly apparent in the mechanical shifting of 11 speed variants of the previous gen. Granted this is Di2…. The higher the group level the nicer the finish, the less slop and tolerances, and better durability over long term. You are absolutely correct that functionality is no different, but there is a marked difference in feel to how the Ultegra performs compared to 105, much less btw Ultegra and D/A…a case of splitting hairs outside of cost. Just my opinion…35 years of riding with Cat1/2 experience in my youthful days.
as you said, granted this is DI2. I agree if this was mechanical, but with DI2 and brakes seemingly the same, there is no difference in feel of the shiters, the shifting itself and the braking. What may differ is speed of shifting and smoothness of shifting, but a big (the biggest) part of that is the cassette (whether it's hyperglide or not), and not so much the shifters and RD (in DI2).
great review , quick and concise
Thanks so much!!!
Yeah I would totally do the 105 group, but upgrade the shifters so I can get the extra buttons. Maybe upgrade the chain and lock rings :)
why the lock rings?
@@wespress0weightsaving
I have the buttons on Ultegra 11 speed, I have them set up to change pages on my wahoo, it's not something I miss when I ride other bikes. 105 di2 for my next build :)
A 105 set with Ultegra shifters seems the way to go, especially it you'd like to use extra satellite buttons. The 105 cassette and those lockrings for the discs are a huge surprise weight wise imho, for opposite reasons. Thanks for pointing it out:)
And if one plans to use it on a rim brake road bike without hurting the wallet as much.
That’s my plan for my Bianchi Oltre XR2. It’s a rim brake frame. I could just upgrade the group set and keep everything else. It has SRAM Force 22 now, however I’d need an XDR compatible wheelset also.
have you tried this? Can I use Ulterga shifters with satellite buttons with 105di2 ?
105 Di2 with Ultegra shifters and the Ultegra FD would give you the best of both worlds :). I'd love extension ports on the 105 shifters (for satellite shifters or a wired setup). They do have one port, but it cannot be used to connect components.... not really :)
Great job! We need more of these comparisons
Once I get more groups in for sure
@@GCPerformance18 *comparisons I meaning
Thanks again as always for an honest video.
Thanks for always watching and supporitng
Thank you for your review.
There are much bigger differences.
1 - Third button
2 - Brakes, Servo Wave is a BIG diference on Ultegra.
3 - Front shifting, is mindblowing on Ultegra
4 - Hyperglide+ cassete, that will be the biggest difference.
To optimize I will choose.
ultegra rings with 105 cranks :p
Calipers + shifters - Ultegra
Front Derreilur - Ultegra
Rear Derraileur - 105
Cassete - Ultegra (HG+)
Chain - Ultegra (HG+)
Rotors - Ultegra if you want to reduce weight, if not 105.
Installed 105 di2 on my bike and upgraded the cassette to an ultegra for the hg+. Put the 105 cassette on my trainer. My thoughts on upgrading the front derailleur after looking at the data from my last 3h ride is 4 front shifts and 400 shifts rear. Modulated braking requires hills which I don’t have any. Only brake when stopping for traffic 😊
@@rioblast here with streets at 7% 8% and HC climbs just 40km from town servo wave is a blessing for my hands and shoulders. (And still I'm terrible descending)
You say that about the servo wave and I see it says it as well but the calipers look identical for these systems. And when i have had 105 brakes and ultegra brakes which I run now. They fell the exact same during the brake pull. Like literal exact same.
@@GCPerformance18
I think the servo is on the handles, so in theory you can use Ultegra shifters with 105 calipers and should work also.
Like most others have said, thanks for this comparison video.
no no no, thank you my friend for watching :)
The 105 to ultegra brake calipers have been the same or almost the same weight even on the previous groupsets. They perform exactly the same I've tried both. Putting lighter rotors and aftermarket cassettes with the 105 you'd get ultegra weight. Be careful mixing derailleurs as Shimano may have made 105 non interchangeable
The lockrings are different type so in reality cannot compare them (105 are outer/external and ultegra inner/internal) Outer is always heavier. Some hubs can only accept outer so it also depends on your wheelset which one to choose.
All brand new RT-MT800s I've seen so far come with externally-splined lockrings. For my Ultegra R8020, I deliberately bought some internally-splined lockrings separately.
Awesome video and info as always, thanks man! just one thing, the music, I’m not opposed for music, great idea but maybe…other type? Or maybe it’s just me 😊😅
Yea I know I’m trying something new
Besides the price n weight.
Would there be a difference in ride smoothness n shifting smoothness between the both?
Plus Ultegra hood buttons which 105 had opted to omit would be pretty useful for some to cycle through bike computer screens.
But still price conscious riders would definitely super happy with the long awaited 105 Di2!!
There is an optional 50/34 105 crank that is heavier and cheaper than the 105 hollowtech version. That may add up to 100 grams.
When figuring the significance of a 2-300 gram difference, divide that amount by bike and rider weight. 200/80,000= 0.25% Totally insignificant.
SRAM Force and Rival are both less expensive.
If I'd build new bike , I've built it on 105 groupset with Dura Ace cassette , Ultegra crankset , Ultegra rotors.
Great video once again
Thanks so much!!!
Now let’s talk about the materials and breaking performance 👌
We appreciate your content thanks !!!!
Thanks so much!!! I appreciate it
GC - There is a massive opportunity and opening in the market for electronic groupsets below USD 2000 from other non major manufacturers.
The cost of a complete bike outweighs the benefits of an riding an electronic group set fitted bike given in a few years they will be obsolete as new iterations come out.
Yes major manufacturers are cashing for now.
Do it for Red, Rival and Force! Or have you already?
I'm in the process of upgrading my Rival build with Red cranks, chain and cassette and it was super confusing on the weights where different sites would give different results. Do you have a reco on what you'd upgrade if you were mix and match both SRAM and Shimano on road groupsets (I'm not sure Shimano is as mixable).
great overview. thanks.
Glad it was helpful!
Would have been nice to put a table with all the weights in there for each part comparing them
doing gods work!
This version of 105 exists because of SRAM Rival AXS completes. The Electronic Groupset of the People.
Consider including info on the other 105 crankset. FC-RS520. It is on completes and sold separately as part of 105.
Hey GC,
what would you recommend more? upgrade from mechanical Ultegra to previous Ultegra Di2 (8070) assuming that i need to change only levers rear and front mech? Or upgrade to 105 Di2 that would include crankset and cassette to accumulate 12 gears? Thanks for advice!
From 105 5700 to 5800 to R7000 105 never has let me down I’ve raced it on pavement and gravel. Realistically I could see myself upgrading to R8000 if there is a deal. But the shift buttons on the hoods make the R8000 STI Shifter very attractive
they are a nice feature but to be honest, I rarely use them as much as I thought I would
I use the buttons on the hoods to start, stop and swap pages on my Garmin. Especially when climbing or when my hands are sweaty it's so great.
Love to know how much ultegra di2 12speed Rim brake groupset weigh?
a weight comparison between Shimano and Sram would be nice 105 / Rival and Force / Ultegra wit the same gear ratio
i see myself riding my mechanical 105 (r7000) for many years to come
Buying a sl7 105 di 2 sounds like I made the right decision thank you for confirming this!
that is an insane value bike you have right there
So where does the new Di2 ace land on weight/price? Thanks for what you do!
Great comparison! Any chance you can do a sram force and red version?
Very interesting, with Ultegra you pay a lot more for a small increase in performance, like the cassette coating which probably lasts longer or something
Been a 105 rider for years. After 4 years upgrading bike. Wanted 105 DI2. Finally bought Ultegra equipped bike was really no price difference between 105 and ultegra in the UK. Just looked some 105 bikes more expensive than what I bought. 105 now on premium/Pro level bikes, does not make sense for people groupset
Mix and match is possible ofcourse!?
I wonder what is diferent in chainrings weight and performance
70g saved just by used Ultegra brake rotors and lockrings seems like the easiest/cheapest and that's nearly 30% of the weight difference.
Can you weight just the crank arms against each other?
Great review. Thank you for the insights. So 105 all the way then, bang for buck 👍
yes thanks so much!!!
The crank freeplay adjuster screw will be shorter on Ultegra and DA to accommodate power meter wiring / sensors...
As long as there are enough threads for engagement, it shouldn't be a problem. This thing doesn't see 2 Nm of torque anyway unless you're on angular contact bearings.
thank you!
Jer welcome
I never thought 105 vs ultegra was much about weight, but more about precision, durability and smoothness of operation.
My bike came with Ultegra however I'd buy 105 to save $700. I already have 105 long rear derailleur cage to fit my 105 34 cassette when they were all I could source.
Both of these groups work so well, the step up in price to dura-ace is really dramatic--for a non racer who rides for fitness, spending $13000 on a bike is to impress your friends..Ultegra will shift just as fast, brake as hard as Duraace can...and maybe the cranks will not split like the top tier cranks have!!
main diference: ultegra crankset was built w/ super bonder
105 crankset is cold forged
where can we buy the full ultegra DI2 or the 105 groupset and how much will each cost now? is it cheaper than the rival axs now?
I wonder if anyone has tried a smaller cassette with the 105 di2 rear derailleur yet
I would love to see the same video with dura ace & ultegra
I will once I get another duracace kit in
@@GCPerformance18 thanks! Buying an ultegra equipped bike in the next few months & want to see where some weight can easily be dropped!
Might be wrong, but I rmb hyperglide+ is only avail on Ultegra cassette
I think dura ace has servo wave twch so braking is diff from 105. The first part of the lever pull compresses pistons more.
Really I heard ultegra has that too. 105 is the only one who is lacking
Im curious how different 105 di2 is compared to ultegra r8070
dura ace cranks ultegra rotors 105 everything else, perfection!
I have the pervious version of the ultegra, and those extra buttons aren't worth it. You can't really reach them on top.of the hoods without moving your hands.
If they were on the side of the top "nubs" instead of right on top then you could squeeze it with your thumb and it'd be perfect.
Until then I wouldn't bother, if I were buying right now I'd get the 105 levers.
there was one video on YT where a guy was repairing the shifters: 105 and Ultegra. And only when he opened the plastics etc. he realised how different component are in these 2 groups: one was plastic one was metal - and which one was to fail faster. You guess what is what ;-)
Really?? Even for the di2?
I feel Shimano may have shot themselves in the foot with the 105 set as it may make the current ultergra obsolete given how closely matched 105 is. Who's paying nearly 1000 extra dollars for about 200g less
1000 bucks just to safe 200g is useless for normal riders
Since 105 di2 I had this question and I would be really thankful if you could give me an answer.Is it's possible to mix Ultegra 12speed shifters with the other parts being 105?
Yes you can
Shimano groupsets have had cross-model compatibility even before Di2, so there's nothing to worry about.
I love Shimano. Works perfect!
Are those a newer style of ultegra disc rotors??? My ultegra di2 12 speed set up came with the 4 star RT-MT800 disc rotors which to me look alot better..
Yes these are the new road ones. The star ones are the mtb version
Background music is pretty noticeable. I would considering lowering the volume of that when you're talking.
Sorryyy I’m getting use to it
@@GCPerformance18 All good brother, no apologies needed! Great vid, thank you for putting this out.
We don't hate you per se... LOL🤣🤣🤣 It is we who keep coming back for the punishment.🙃
Surprised the chain is no different in weight, Dura-Ace too. Humph.🤔 Thanks!
Hahahah thank you for that
JUst bought a 2023 Trek Emonda Sl6 Pro with 105 di2 and could not be happier
trhats awesome!!! the group is honestly very nice
I switched cassette to ultegra because of hyperglyde plus if i switch front deraleur to ultegra will it shift faster than 105
Nice, but why is there this mismatch music?
Probably already been asked… can you do this for Sram Red vs Rival?
Yes I will once I have both
I wonder if you could actually use a 53T chainring with the 105 Di2
52T max based on Shimano documentation. you can always drop a DA FD in the mix that supports 54T :p 12s 105-Ultegra-DA components can be mixed with no problem.
@@LainOTN I'm looking for an actual explanation haha. Are there physical limitations or simply Shimano's way of forcing folks to buy Ultegra and DA.
@@PatrickLino no idea if the FD has any differences. In theory Ultegra has a 52T limit an DA 54T but visually for me are exactly the same. So is possible it works with 53T
Do you know if it is possible to mix and match between 105 and ultegra? For example can a 105 shifter be used with an ultegra front derailleur?
Yes you can
@@GCPerformance18 what about front derailleur? I have 105 Di2, thinking to swap FD with ultegra one
can you use the r8100 crankset on the 105 di2?
and what's the weight vs Ultegra Di2 11s ?
I think Shimano are going to lose a huge section of the market when the Chinese groupset manufacturers release their electronic and fully hydraulic disc groupsets.
I will start building bikes just for the hell of it once Chinese groups have fully hydraulic brakes. I can’t wait.
@@owensnicholas there is already full hydraulic Chinese groupset atm
Avoid chinese products at all costs
So can you mix and match parts of the group sets? Like can you have majority 105 and have the ultegra front derailleur?
Yes, cross-model compatibility has been possible even before fourth-gen Shimano Di2. This is how I would spec a Shimano Road 12-speed groupset on a budget for a disc brake road bike:
105 R7100 everything except for the following
Ultegra ST-R8170 (ST-R8150 for rim brake road bikes)
Ultegra FD-R8150
This way, I get to use most of the features without hurting my bank account really badly.
at least there is no fear of the 105 crankset cracking.
yes lol
I wonder if it makes sense, on a gravel bike, to use 105 shifters and derailleurs instead of GRX di2?
no clutch in the rear derailleur on the Shimano road groupsets. Get on some choppy/chunky gravel and you'll notice real quick the lack of a clutch on the rear derailleur.
Is the wheelset also included in the groupset?
I want to build a carbon racing bike with full shimano.
so far it seems that I will choose the full ultegra di2 because shimano also released the ultegra wheelset
but does the shimano 105 also have a wheelset?
Yes there is, with the name RS710
The crankset you can’t compare due to the different CR size, but that said, can you verify if the 105 is still a one piece forging, or hollow tech bonded like the Ultegra?
but ti would be minimal, it looked different to me, but the weight was so simiar I wouldnt doubt that they gave it hollowtech just to save money for one mold and just stamp it different and us heavier bolts
@@GCPerformance18 reason I ask, 105 has always been a one piece forging before, and was not affected by the hollow tech bonding separation that was seen in Ultegra and Durace.
i choosed the cheaper 105 and it felt damn good!!
same here
I think tha handle bars of both bikes are of different size from each other.
can you use a 55 tooth chainring with this 105 di2 front derailleur? someone said that it is only possible with 50 chainrings, is that true?
no you shouldnt have na issue, it can go up to a 52 stock 105 crank sso I dont see an issue
@@GCPerformance18 so you can't use crowns 53,54 or 55?
Would there be any discernible benefit upgrading from Ultegra 8070 11 speed Di2 to 105 Di2 12 speed?
just for the 12 speed benefit but honestly the 11 speed ultgra is great
Do you know if i can swap my front fd 105 di2 to ultegra fd di2 thanks for video
yes u can
Merci beaucoup
105 si more expensive than Rival but when you buy a complet bike with 105 it is cheaper than the Rival
Yep. Look at new Trek Domane SL6 105 Di2 vs Rival ETAP. Rival is about $500 cheaper if you buy the group set alone but the Rival complete bike is $500 more. Same bike otherwise.
105 for me, but I'd swap out the rotor's for RT900 as the gloss black would suit my bike better. When's the 105 52-36 Chainset due??
That's what I did on my s-works tarmac build..I had it built up with the ultegra 12 speed di2 with the RT-MT900 dura ace black disc rotors which to me look stealth..
Those rotors must be a newer style of ultegra disc rotors...the 4star RT-MT800 look alot better..
I found the ultegra 12 Speed di2 including everything but a bottom bracket for 1550€ including taxxes. I guess there is No more value than that? Prefered the ultegra over the 105 because of the better breaking technology which is not part of the 105 set
I've seen a test between the 2 on GCN. It's the shifting. But Ultegra is my thing.
Hi, 105 di2 working with Shimano Shimano Dura Ace Di2 Sw-r9150?
No it does not
Didn’t watch this video. But it’s the Ultegra.
105 doesn’t get those buttons on the hoods. That beats the purpose of having an electronic grouppo
D.Ace is just really expensive but the callipers is something I am eyeing on.
So, full Ultegra Di2 with D.Ace callipers ftw
not at all, that is the least thing I use on the group itself, I thought it would be a cool feature but I find myself using that the least just the nice brakes and also the smooth regular gear shifiing, I would go 105 bcause it is $700 for 250 gram difference, and jsut get ultegra rotors and uletrga chanin and cassette and ur golden
@@GCPerformance18 okayyyyyyyy.
But, apart from the buttons on the hoods, 105 Di2 also doesn’t get satellite shifters.
If I were to ONLY shift with the buttons/pedals on the shifters, I’m ayy-okay with mechanical shifting.
The best part about electronic shifting is the ability to shift from various positions like from the tops, in drops using your thumbs. Which can never be done with mechanical.
Hey GC Performance, I have a question. So I have the option between an Emonda Sl5 with 105 mechanical with Bontrager Pro 37 wheels, or a Emonda Sl6 with ultrgra mechanical? Both are the same price where I live. Which one do you recommend?
An Émonda SL 5 with carbon Bontragers as stock? I've never heard of this spec before.
No its a special deal i could get
@@ethanos3749 Sounds like a deal your LBS cooked up. If you're not considering aftermarket upgrades for your groupset, 105 R7020 is fine.
So who should buy Ultegra and who should buy 105? I want to buy a aero or race bike next year and I am not sure if I need the Ultegra, bcs I dont wanna waste so much money if the 105 does the same
im running 105 right now on myaero bike and I love it shifts so nice and has all the tech of the ultegra, get 105 if strapped for cash get ultegra if you can afford it
First time I heard the heavenly music in your videos…🤔
I tried something new lol
@@GCPerformance18 maybe a little more dynamic?