For a long time this was quite complicated. I. Hi All, Very interesting discussion. i use both Monty, dura-ace di2 and mech ultegra, biggest plus with di2 is the sprint shifters, so nice in the drops, shifitng in rolling terrain. I currently ride on (used) Campagnolo Chorus (mechanical) which I believe is the equivalent to Shimano’s Ultegra (although die hard campy fans will argue that point)… top of the line components are nice, but some will point out they have a tendency to last a little less longer (weight saving factor in the build, perhaps)… something to consider, since most of us aren’t sponsored… 105 and/or Ultegra is definitely sufficient for most of us, unless of course money is not an issue . You can’t buy Dura-Ace chammy cream for your undercarriage, though. Eine Ultegra-Version soll das nun ändern. The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. We compare the top and mid level electronic groupsets from Shimano. Did you know most Di2 hardware is cross-series compatible? Excluding their prices from the comparison. Posted on September 30, 2017 by manager - Road Bike Groupset. Have you ridden both? SRAM and Shimano's second-tier electronic disc groupsets go head-to-head, comparing weight, cost and performance. Die Dura-Ace Di2 hat nur einen Nachteil: Sie ist teuer. Shimano, in its marketing bumf, certainly gave this impression. Let me know in the comments below! If you click on an Affiliate Link and then buy something, I get a small commission. The 7900 version was released in 2009. The Dura-Ace systems shaves off a little weight by using, for instance, aluminium for the front derailleur cage, rather than steel in the Ultegra version. Shimano freely admits it had to hit a price point with Ultegra, and that meant swapping out some higher end materials for some slightly bulkier, less expensive options. Specifically the selection of (mostly) crucial bits that are attached to the bike frame in order to help the bike (and it’s rider) perform the essential functions of a bike: If you buy a new bike, generally it will come with all of the groupset components attached (unless you’ve just bought the frame, clearly…). SRAM’s eTap system, which is only available with the Red groupset, is fully wireless. Auch im Vergleich zur elektronischen Shimano-Spitzengruppe Dura-Ace Di2 wirkt die Ultegra Di2 optisch etwas klobiger. Right, who rides Dura-Ace and who rides Ultegra? Shimano uses the letter-number combo ‘Di2’ to denote that the system in question is electronic. Al parecer ya va quedando claro cuál es el mejor grupo eléctronico. This probably includes you. De groepen zijn beiden super maar de verschillen zijn toch ook groot. You might see them being referred to as groupsets with the series numbers 8070 (Ultegra) and 9170 (Dura-Ace). Here’s my deal. Components from one generation won’t necessarily be compatible if the rest of your groupset is more recent. I’m currently on 10-speed SRAM Red (mechanical) since it came with my Trek Madone, but replacement prices are shocking — e.g. They are both available with electronic shifting, as opposed to the more common mechanical approach. Einerseits erleichtert es den Einbau und sieht letztlich deutlich aufgeräumter aus. you knackered your front derailleur like I did), the product code will generally bear some relation to that series number. Electronic shifting is already a big deal, and likely it’s the future of cycling. For completeness, Shimano 105 is the R7000 series. It’s about to get even more so. Noch im Juni liefert Shimano die Version mit Felgenbremsen und mechanischer Schaltung aus. Dura-Ace is nice, but I don’t see it being worth the extra dough. He started Sportive Cyclist in 2013 to record the journey to his first 100 mile ride, the RideLondon 100. And I’m not in any hurry to get disc brakes, although maybe if/when I upgrade to carbon wheels designed for disc brakes so that there’s no weight penalty. But do I want the DA upgrade? For the first time in a Dura-Ace groupset, Shimano’s innovative Synchro Shift is now available as a programmable Di2 option; Synchro Shift creates an intuitive experience with synchronised front and rear shifting, which can be custom programmed. Note: These are affiliate links. The previous version of Ultegra was the 6800 series (the first 11-speed iteration), with 6700 before that (when it was still a 10-speed system). But Shimano still hasn’t introduced a fully wireless shifting system (yet…). whether it changes gear at the front or rear derailleur, or both…). The Ultegra group is roughly 250 grams heavier than the equivalent Dura-Ace Di2 set up, so while there’s a difference, it’s a touch under 10 percent. Ultegra and Dura-Ace have one thing in particular in common that is not shared with other groupsets in Shimano’s line up. The Di2 version of Ultegra is 8050 and for Dura-Ace is 9150. Get enjoyable and helpful cyclo-info straight to your inbox. Garmin Edge 820 vs Edge 520: Which Is Better? Dura Ace 9070 Di2 vs Ultegra R8050 Di2 shifters. 105 equipped, I’ve replaced the cockpit and wheels but kept the drivetrain until I “wore it out” as I told myself. Shimano Ultegra è da sempre una garanzia in termini di prestazione a tutti i livelli, non diciamo nulla di nuovo, una trasmissione simbolo della categoria media, in sostanza, versione meno costosa (più pesante a parità di configurazione) del Dura-Ace. Understandably, Shimano will tend to introduce features first on its higher end offering, where it can charge a premium for them, before allowing similar improvements to wash though to the more affordable ranges. Simples. This site uses Akismet to reduce spam. Again, the name denotes the level of performance, prestige and price (all the ps…). No point in paying twice to have same number of gears and features. So, behold, here are my considered musings (alright, ill-considered musings). Remove the guess work as your rear derailleur shifts automatically to minimise the gear step so you can keep riding with a smooth cadence and rhythm. Luckily I purchased a 3-year Trek CarePlus warranty with the bike, and they’re covering (with extreme reluctance) all my replacement parts — cassettes, chains, handlebars and a rear deraillleur I broke in a crash, etc. Hat man nicht gerade einen Rahmen, wo die DI2 mit Junction-Box im Rahmen verbaut ist, hängt diese unter dem Vorbau und von dort verteilen sich recht viel… But get this: prior to starting again in the 9000s, Dura-Ace went through all the 7000s. Ultegra R8070 Di2 ofrece exactamente las mismas opciones de engranaje que Ultegra mecánico: bielas 50 / 34t, 52 / 36t, 53 / 39t y 46 / 36t, y 11-25t, 11-28t, 11-30t, 12-25t, 14-28t , Casetes de 11-32t y 11-34t. If you ever need to buy a replacement part (e.g. Ultegra R8000 Groupset . Okay, it might be. Is there a difference between these two? Doch gerade beim Faktor „Preis für elektronisches Schalten“ wird sich in den kommenden Jahren sicher noch viel erfreuliches tun. Ride faster and further, and have more fun on your bike. The cold makes it the battery drain. As we’ve already discussed, the current Ultegra generation is the R8000 series because Shimano elected to bestow 7000 upon the shoulders of the latest iteration of 105 (the previous version of which was 5800…). Hier erfahren Sie mehr. Hear about each post as soon as I publish. Shimano Dura-Ace Di2 v SRAM Red eTap AXS: Everything you need to know Shimano Dura-Ace vs SRAM Red eTap AXS: The two leading groupsets head to … Ultegra Di2 shifters are $445; Dura-Ace Di2 are nearly … If you do need to buy a replacement part, or you’re looking to upgrade gradually as individual bits of the drivetrain wear out, do some judicious Googlesearching, or check in with your friendly local bike mechanic. Wrong though, as it happens. Each time a new generation of a groupset is released, it is given a slightly higher series number. Other than to say, it’s worth being familiar with the fact that there is a potential difference between components within the same family (e.g. Am weitesten verbreitet im Vergleich der elektronischen Top-Gruppen ist mit Sicherheit die Dura Ace Di2 von Shimano. ‘Power’ is on the verge of becoming affordable for the masses. To be honest, though, I think the weight differential between Dura Ace and Ultegra is a moot point for the vast majority of riders. Over time the blog has expanded to include training advice, gear reviews and road cycling tales, all from the perspective of a not-very-fit MAMIL. Garmin Edge 520 vs Wahoo ELEMNT BOLT: Which Should You Buy? Ultegra R8000 Mechanical vs Ultegra R8050 di2. As far as I can see though, they’re the standard groupsets, just with the brake levers and brake calipers swapped out (and they give you a disc rotor as well…). You come round here asking about disc brakes…? Dura Ace vs Ultegra. With improved clearance for wider rims and tyres as well as a new Shadow Technology rear derailleur that gives a lower, more aero profile and increased protection from crash damage the Shimano Ultegra R8050 Di2 groupset marks a significant development in the evolution of Shimano’s Di2 electronic drivetrain. Right now it’s quite straightforward. Unless I win the lottery, I’m unlikely to buy Dura-Ace for my bike and I’m guessing you’re in the same boat (which isn’t a super-yacht). I say I do, simply bc I have Dura Ace C24 wheels and DA pedals. The (current) R9100 series was announced in 2016 and was available to buy in 2017. All from a MAMIL perspective. Since you're here, Monty would also like you to check out. It was never going to be easy to improve on the Ultegra 6800 but there are clear improvements on aesthetics and performance. An Ultegra Di2 front derailleur will set you back about $560, while Dura-Ace Di2 is about $780. The difference for the Di2 versions increases to ~300g. A key difference between the current generations of Ultegra and Dura-Ace is that the latter is available with an integrated power meter option. The current Dura-Ace range is also known as the R9100 Series, with the Di2 (electronic shifting) version being the R9150 Series. Shimano's Dura-Ace Di2 was the first commercially viable electronic drivetrain and its technology has trickled down to Ultegra Di2 over the last 10 years. Road - Dura Ace Di2: SHIMANO Dura Ace | Ultegra Di2 Schalthebel Sprinter SW-R600 - SHIMANO Dura Ace Di2 Schalt- | Bremshebel Set ST-R9150 - SHIMANO Dura Ace Ultegra) but from different generations. Monty is an enthusiastic road cyclist with only moderate talent. Wash out your dirty mouth, you hairy-legged satanist. (please…). Thema: Di2 Ultegra vs. Dura Ace /Disc. You can buy Dura-Ace pedals (which I suppose could be in a broader definition of a groupset) and Dura-Ace wheels (which definitely aren’t part of a groupset). (I already replaced the crappy first-generation Bontrager direct-mount brakes with Ultegra.) Learn how your comment data is processed. Geändert von Beaver (08.06.2018 um 23:11 Uhr) 08.06.2018, 23:23 #35. I mean it just gets it done. This is a website for sportive cyclists. So a front derailleur (the braze on version) enjoys the code ‘FD-R8000-F’. Ok, I appreciate I’ve thrown a lot of words at you. I am looking to upgrade to a Di2 setup. I would find it extremely hard to persuade myself to spend the extra moolah to go full Dura Ace. Nichts zu kritisieren gab es im anderthalbjährigen Test der Dura-Ace Di2 Disc 9170 an der Funktion der Schaltung: Gangwechsel erfolgen jederzeit schnell, verlässlich und geschmeidig – ob am Umwerfer oder am Schaltwerk. The problem is, 105 is bulletproof! $270 for a cassette, and I go through at least one a year. Over time the blog has expanded to include training advice, gear reviews and road cycling tales, all from the perspective of a not-very-fit MAMIL. The discount available is a bit lower (~40%) right now, presumably because it is Shimano’s premium offering. Di2 Compatibility - mix Ultegra, DURA-ACE, XTR, XT and GRX components. Kies je voor Dura Ace of Ultegra Di2? Grund sind die etwas größeren, schwereren Motoren. To be honest, though, I think the weight differential between Dura Ace and Ultegra is a moot point for the vast majority of riders. You pay the same price that you would have done anyway. Disc brake technology for road bikes is improving quickly as it finds its way (in fits and starts) into the pro peloton. Shimano Ultegra Di2 ST-R8070 STI Die Ultegra Di2 ST-R8070 Schalt-/Bremshebel ermöglichen nicht nur intuitiveres, sondern dank einer klareren Trennung zwischen den Schalttasten auch präziseres Schalten mit einem definierterem Einrastgefühl bei der Gangwahl - und das selbst, wenn der Fahrer dickere Handschuhe trägt. As part of this, as far as I can see, you can set the system up such that you simply choose whether to change up or down a gear. Sicherlich der zunächst auffälligste Unterschied zwischen DI2 und eTap ist, dass die SRAM ohne Kabel auskommt. Ob man’s braucht und nutzen möchte, bleibt Geschmackssache. My blog contains Affiliate Links. In den zwei Jahren nach der Markteinführung wurden 11-fach-Gruppen immer mehr zum Standard. These are links to online stores such as Amazon, Wiggle and Chain Reaction. Mange tout, mange tout. This is obviously reflected in the price. Yo! Di2 is denoted by the last two digits being ‘5’ and ‘0’. I write entertaining articles about road cycling: gear reviews, training advice. On the other … If you click and buy something, I get a commission, at no extra cost to you. That all said, you’d have to go some (and be looking in some strange places) in order accidentally to buy vintage Dura-Ace 7000 components when you meant to buy latest generation Shimano 105. This probably includes you. Am putting a new bike together and moving over to disc brakes. That’s an incredible deal. Here’s a useful summary of the Ultegra versus Dura-Ace differences, courtesy of the GCN Youtube channel: Look. Trek Domane 4.3 Road Bike Rebuild: Tools and Parts List. Still, it’s interesting to look at what you get when you go right to the top of Shimano’s range. Comprehensive analysis. The current Shimano line up of road cycling groupset ranges looks something like (ok, exactly like) this: BUT (Mont shouts), it’s not as simple as that. I’m unlikely to recommend that you should choose Dura-Ace over Ultegra. Both Ultegra Di2 and Dura-Ace Di2 use wires for their electronic shifting. There are some wireless elements to the newer generation Di2 systems (9150 and 8050). Shimano brought in hydraulic disc brakes for Ultegra in 2014 and for Dura-Ace slightly later with the 9100 iteration. In deze review van mij (Lars) nemen we twee groepssets onder de loep. Shimano is looking to put features into its groupsets that would previously have been performed by third party products, in order to capture the profit for itself. The system itself decides how it does that (i.e. I can’t seem to find anywhere in the US that sells a full, bundled together groupset, but the price differential in (rapidly-devaluing) British Pounds still makes the point. the last generation of Shimano 105 was ‘5800’ but the 6000s were already occupied by older Ultegra variants). Dura-Ace is the name of Shimano’s top-of-the-range (and therefore most expensive) line, with Ultegra occupying the next level down. Both Ultegra and Dura-Ace are available as Ultegra Di2 and Dura-Ace Di2 electronic groups. Since all of the ranges aren’t updated at the same time, the numbers sometimes fall out of sync. Armstrong (may or may not have) won all of his early tour victories using the Dura-Ace 7700 and 7800 groupsets. Hello fellow cyclists! We compare the mid level electronic & mechanical groupsets from Shimano. The 10 million mile question: how much better Dura-Ace is in performance terms? But di2 is a pain with having to charge, when the battery runs out, the front derraileur goes, leaving you with about 100 shifts in the rear. Nach der Dura-Ace-Di2-Einführung 2009 hat es zwei Jahre gedauert, bis Shimano seine Nummer Zwei auf den Markt geworfen hat. When the upper end of each ‘thousand’ is reached, sometimes the next number in the sequence is already taken (e.g. What do you think? Dura-Ace is clearly positioned at the top of the pile as far as Shimano are concerned. The Dura-Ace is available in either rim or disc brakes offer both mechanical shifting and Di2 electronic shifting and can include a power meter (on the R9100-P version). (Ain’t no party like a parenthesis party! So far, so easy. In der Funktionalität lassen sich zwischen Ultegra Di2 und der doppelt so teuren Dura-Ace Di2 allerdings kaum Unterschiede feststellen. Going back to the numbers. Although the current version of Ultegra is newer than latest generation Dura-Ace by a year or so, (even) the Shimano website describes Ultegra as being a ‘direct trickle down’ from Dura Ace. With 'full' and 'semi' Synchro Shift available, this intuitive new mode automatically reacts when you shift from one chainring to another. Für den Endverbraucher mit dem nicht ganz so großen Geldbeutel gibt es bereits heute mit der elektronischen Ultegra oder der Athena günstigere Alternativen. The net effect: it isn’t always clear from the numbers which product sits where in the range. Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your setup to suit you. I preferred the color scheme of the 105 anyway. View Privacy Policy. I’ve a question and thought that you could help me, which one should you choose, the Ultegra Di2 or the Dura Ace Mechanical one? It only matters in professional racing. Bring it all to life a bit? Close. Aber das Warten hat sich gelohnt. Es dürfte kaum jemanden geben, der an der Shimano Ultegra Di2 etwas auszusetzen hat. Published October 15, 2019 by BetterShifting, Last updated October 13, 2020. When the warranty expires, I’ll replace the drive train with mechanical Ultegra, since I’ve had good results with that in the past. Und Dura Ace und Ultegra trennt inzwischen nur noch das Gewicht und Image - funktional gibt es da nichts wirklich mehr zu nennen. As far as I can see, the total weight of the whole mechanical groupset for Ultegra 8000 is just under 100g more than for the equivalent Dura-Ace 9100 groupset. Gosy . Exciting stuff. Netherlands (2016 Cannondale F-SI - 2018 Giant TCR Advanced) 1 year ago. Perhaps you want to see a little vid-yo on the topic? ANYWAY, I’ve made a few bucks at my new job, and want to upgrade my drivetrain. You pay the same price that you would have done anyway. Maybe some of those features will trickle down to 105 before too many years pass. The shifters send wireless signals that control the derailleurs. There has yet to be a 105 level Di2 group. Für viele, auch mich, ist dies sicher ein grosses Argument für die SRAM eTap. Shimano has evolved the Ultegra series, which hugely benefits from the joys of its bigger brother's technology, Dura … Judging by the popularity of my other posts comparing different rungs on the Shimano road gears product ladder, I thought it high time that I looked at the tippity top of the company’s groupset range (Dura-Ace) and how it compares to the next rung down (Ultegra). In this post I compare the key differences and, more importantly, the similarities between Shimano’s Dura-Ace and Ultegra groupsets. If you click on an Affiliate Link and then buy something, I get a small commission. Auch eine Triathlon-Version soll kommen. Yo! I was about to say that this is the first time that a drivetrain manufacturer (Shimano, Campagnolo, SRAM) has offered a power meter as part of its groupset offering. The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. Shimano, like the other major road bike component manufacturers, Campagnolo and SRAM, makes a few different groupset ranges, at a variety of price points. Electronic shifting uses motors to drive the derailleurs that in turn move the chain from one cog (or sprocket) to another. Shimano also uses these range brand names for other bike components that you wouldn’t normally class as being part of a groupset. Is the incremental performance improvement worth paying the extra cost over Ultegra. As an Amazon Associate I earn from qualifying purchases. Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your … trying to answer this (or at least trying to persuade others of their view). Ultegra Di2 R8050. You can actually mix different series and even different generations of Di2 hardware, as long as you make sure you follow the Di2 compatibility chart! names have all been around a fair while. Finally, and since we mentioned the SRAM RED groupset (yes, we did…), there is a further similarity between Ultegra and Dura-Ace that you’d think Shimano would have rectified by now. As you may have picked up from previous posts, I’m in the (glacial) process of upgrading from my current 105 setup to Ultegra (so far I’ve bought a whizzo new rear derailleur, cassette and chain). As an Amazon Associate I earn from qualifying purchases. I won’t bore you with every previous series number, but since you can still buy them, and many will be still riding with them, I’ll mention a few. Whilst the manufacturers recommended retail price is not what you’d pay online, nor is it what bike manufacturers pay to put it on their bikes, it is nonetheless a useful comparator. Most of the differences between the two groupsets really comes down to materials. People expend a lot of hot air (kilobytes?) Archived . That’s almost a pound huehuehuehue . Indeed, there is even a wireless hydraulic brake system, to further reduce the amount of cabling on the bike. I have a KTM Revelatory purchased in June 2015. For various reasons I want to go with a Shimano 11 speed groupset but am struggling to decide whether to go with Dura Ace mechanical or Ultegra Di2. Still, if you want an integrated Shimano power meter as part of your groupset purchase, then right now you have to go with Dura-Ace. Neben einer rein mechanischen Version mit Felgenbremsen bietet Shimano auch Varianten mit Scheibenbremsen und elektronischer Di2-Schaltung. Die neue Ultegra R8000 steht in den Startlöchern. some stuff on the handlebars: brake levers and shifters, the paraphernalia down by your feet: pedal cranks, chain rings, bottom bracket and front derailleur, a few gubbins at the rear of the bike: the cassette, rear derailleur and the chain itself. I started Sportive Cyclist in 2013 to record my journey to RideLondon 100, my first 100-mile bike ride. Cables run from the front shifters, through (generally) the bike frame, to the front and rear derailleurs in order to send the electronic signal that commands the motors there to shift gears. They’re identical in shape, yet the shifters of the Ultegra groupset weigh 295g a pair Dura-Ace 230g a pair – yet both have carbon l… (Is Dura-Ace better in performance terms?). it’s actually potentially better than mechanical shifting, rather than just an electronic replacement of it. Dura Ace wurde über die letzten 40 Jahre stetig verbessert und ist nun schneller, leichter und ansprechender denn je. Dura Ace 9070 Di2 vs Ultegra R8050 Di2 shifters. 5. Dura ace was actually behind 105 at one point as it didn’t have dual pivot brakes and still have 7 speed freewheel but back then it was true to its name so it was durable, now it should be changed to lite ace as it’s all about weight. I don’t manage a bike shop so I don’t get discounts anymore, but Merlin is offering DA for $1350 shipped right now. It’s their premium option. Personalmente, ad esempio, ritengo che in versione disc un gruppo Shimano Ultegra Di2, con cassetta Dura Ace, sia una delle migliori soluzioni possibili in termini di rapporto qualità/prezzo. I firmly don’t believe it’s worth to buy Ultegra if I have 105. The Dura-Ace, Ultegra and 105 brand (range?) SRAM Force eTap AXS and Shimano Ultegra Di2 are both hugely capable electronic groupsets that offer much of the experience of their respective makers’ Red and Dura-Ace flagships, at … Wenn eine Ultegra Di2 die gleichen Vorteile nun zum halben Preis bieten kann, würde das wohl den endgültigen Durchbruch für die Elektroschaltung am Rennrad bedeuten. The Dura-Ace systems shaves off a little weight by using, for instance, aluminium for the front derailleur cage, rather than steel in the Ultegra version. I’m kind of leaning towards Dura Ace because I’ve never used an electronic groupset so won’t be missing anything. Duración de la batería Oh and don’t forget brakes, whether they be ye olde calipers or new-fangled (and contentious) disc affairs. Excellent review Monty! Posted by. There is a more relevant question (or two): Speaking personally, I find it highly unlikely that making the jump to Dura-Ace will increase my performance, or indeed enjoyment, on a ride. The difference for the Di2 versions increases to ~300g. Garmins) and smartphones and tablets, in order display current gear selections, configure the system and download firmware updates. Shimano probably represents the greater threat to 3rd party power meter makers though, given its market share and the potential in the future for power options to filter down to its Ultegra and 105 offerings. The mechanical version of Ultegra 8000 seems to have a list price of £1099 / $1450 (which comes down to be about half that if you want to buy it on t’internet). SRAM owns Quarq (purveyors of power) and they offer a chainset (or crankset) with integrated power meter as part of their top-of-the-range RED groupset. Which is something of an oversight from Shimano. If you pretended to be me in my riding situation, would you think it a worthy upgrade? Auch die teilautomatisierte Umwerferbetätigung („Synchro Shift“) funktioniert bestens. The full Dura-Ace 9100 groupset (again mechanical version) is £1,875 in the UK. Both are roughly the same price at the moment. These can connect via private ANT+ and Bluetooth Smart to head units (i.e. Tags: Dura Ace R9150 Groupset, Ultegra R8050 Groupset, © 2021 All Bike Stores. I can buy either of these shifters at about the same price. Nice summary, Monty. For starters, there are differences in the Di2 shifters. Unless you’ve got your body fat percentage down to 5% and, Bradley Wiggins-esque in 2012, you’ve shed virtually all of your upper body muscle, I’d suggest there are cheaper (and more performance enhancing) ways to reduce weight on the bike. Thanks, Very good review. The last 2 digits in Shimano’s product numbering system are generally used to identify variants within a given a family. Thanks, fufufu 300g is not so little. Scratch beneath the surface a little and Shimano’s numbering system becomes a little more complicated. Subscribe below and I will send you enjoyable and helpful cyclo-info straight to your inbox. Ultegra right now is the R8000 series (again with the Di2 version called the R8050 series). The extra detail is that each of those ranges corresponds to a 4-digit number classification system (oooh, complex…). Alongside superb performance, the Dura-Ace looks nice, is incredibly reliable, has a wide variety of crank length options and is the lowest weight of all the Shimano groupsets.
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