So the only difference, other than the price, is the weight. First of all, it is important to note that both the CN-9000 (Dura-Ace) and CN-6800 (Ultegra) non-directional chains are no longer available. For some reason – through Project One, they have made Dura Ace Di2, an extra £2,000. Firstly, the difference in price seems huge: Dura Ace 9700 Di2 is RRP £2,999.99 (discounted at Merlin cycles for £1,999). Shimano Dura-Ace vs Shimano Ultegra Groupset: Review & Comparison. I understand that the DI2 for both- Ultegra allows for up to 34 teeth vs Dura Ace up to 30 teeth rear cassette – as such Ultegra is better for hill climbing, The Adventures of Franz » Shimano Di2 – DuraAce 9070 vs Ultegra 6870, Ultra Cycling » Shimano Di2 – Dura Ace 9070 vs Ultegra 6870 Weights, http://e-tubeproject.shimano.com/pdf/20140807_compatibility_chart_en.pdf. There’s one more difference between Di2 Shifters/Levers handles between Dura Ace and Ultegra. The shifters now are just a switch. Reviews suggest that the new Ultegra Di2 offers excellent shifting, with barely noticeable difference in the quality of shifting with Dura Ace. They are predominantly road bike groupsets, with the Dura-Ace being the professional-grade groupset and the Ultegra sitting one level below it. In fact, they are also interchangeable with most of the new MBR XTR Di2. Both groupsets include Di2 electronic shifters and hydraulic disc options, as well as the more traditional methods of gear shifting and rim brakes. See review here Dura Ace Di2 9070). For the whole groupset (including non-mechanical groupset) Bike Radar say Ultegra 6870 Di2 is 2,680g for a complete group. I personally have tried the same bike with Dura Ace 9070 and Ultegra 6770 and could not tell the difference in shifting speed or quality. we don’t need it. All three of these componentry levels have key differences, from shifting performance through to weight. Founder of Vivi Nation, the cycling, running and active living brand. This post might contain affiliate links for which we may make a small commission at no extra cost to you should you make a purchase. Each are available now for $279.99 and $199.99 respectively. Best Single Speed Crankset For City or Mountain Bike, Bike Chain Lube Alternatives: What Can You And Shouldn’t You …, Zwift Review: What you need to know about Zwift, Shimano GRX vs 105: Which Groupset Should You Choose, Shimano 105 vs Shimano Sora: How Do Shimano’s Budget Groupsets …, Cranks in 165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm, 180mm, Chainrings in 50-34T, 52-36T, 53-39T, 54-42T, 55-42T, Cassettes in 11-25T, 11-28T, 11-30T, 12-25T, 12-28T, Weight: 1911g (for R9150) and 1931g (R9170), Chainrings in 46-36T, 50-34T, 52-36T, 53-39T, Cassettes in 11-25T, 11-28T, 11-30T, 11-32T, 11-34T, 12-25T, 14-28T, Weight: 2209g (for R8050) and 2200g (for R8070). Hopefully if it’s useful for me, it will be useful for others (although this one, will be limited to those if you’re contemplating electronic shifting), (By the way, after writing this post, I got Dura Ace Di2 9070 and have been using it on my timetrial bike. Individually, the weight difference will not have a large impact on the bike’s final weight (at about 5 – 10%). Shimano pedals are known for their durability, intuitive function, and efficient power transfer for cyclists of all types. Swapping up to Ultegra from Shimano 105 pedals saves you around 40g a pair. Its design means that the rear derailleur profile is much narrower when you look at the bike from the rear, sitting 12mm closer to the bike when in the bottom sprocket of the … Share. bike.shimano.com /. These minor differences equate to the weight difference between the two. This is annoying as 10 spd is more than enough; personally, it means changing a lot of cassettes and then having a pressure to upgrade road bike to 11sp too. The Ultegra groupset is slightly heavier and cheaper due to the lower-cost materials used compared to the Dura-Ace. Both the R9150 and the R9170 include Synchro Shift options, meaning you can automatically choose the best front and rear gearing combination based on your preferences. They’re identical in shape, yet the shifters of the Ultegra groupset weigh 295g a pair Dura … For instance, Shimano’s 105 11-speed groupset is heavier than Dura-Ace’s equivalent. 105 stayed firmly mechanical. Ultegra simply doesnt have that. Companies are good at getting you to spend more on upgrading to new products, you don’t really need. I've decided to replace with an Ultegra 6700 cassette. For the vast majority of road bikers, the Ultegra is incredibly hard to bear. Can I use a dura ace 11 speed shifter set with the ultegra 11 derailleurs? As mentioned, the Dura-Ace and Ultegra sit in the premium bracket of Shimano groupsets. But the thing is, that all occurred in the previous generation of these two groupsets. The problem is that £2,000 seems an awful lot of money for a groupset which is fairly similar to Ultegra apart from 300g, slightly more sleek design and greater flexibility in terms of shifting positions. Does that amount of weight matter? Not the most interesting post today, the technical details of Shimano Dura Ace Di2 vs Ultegra Di2. However slightly, Dura-Ace 9000 outdoes the Ultegra 6800 in technology and weight. Dura Ace and Ultegra are entirely interchangeable. How to Prevent Rust on Bicycle Frames and Rims? The old 10 speed (E-wire) derailleurs and cassettes are compatible with the new shifters, etc. It is not, however necessary to use Dura-Ace 10 speed cassettes. The Ultegra 11-speed group has a lot of the same features as the Dura-Ace, but the main difference is the weight. Start with your battery and work your way down. Discover which Shimano wheelset is the best for you and your bike – Ultegra RS700 or Dura Ace C24? Battery with bottle cage mount: 113 g (70g without mount. If we included just the mechanical parts, the difference in weight is just 149 grams. Shimano’s groupset pedigree is unrivaled. Initially I was not in love with Di2, so I bought a Dura-Ace 9000 group. For an even cheaper option, the R8000 and R8020 offer a good level of performance at an extra few pounds of weight. This has a direct affect on their suitability to your intended use, which is why it's so important to select the … Hi, I agree it is very confusing. Generally Google is very good, but if you’re searching something very specific like the weight of Dura Ace Di2 vs Ultegra Di2, you often don’t get what you are looking for, and many hours are wasted in a vain search. 49G heavier riders, Shimano Dura-Ace vs Shimano 105 groupset: Review shimano dura-ace vs ultegra.... 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