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Post by ramchip on Mon Sep 02, 2013 6:43 pm. La velocidad máxima sería de 53,17 kmh (52-11) y 51,13 (50-11). It is available with 53-39, 52-36, 50-34, and 46-36T chainrings and 165, 170, 172.5, and 175mm crank arm lengths. Good explanation, so even with a longer cage, you think 50/34 with 11/32 might be a problem with cadence? For such a wide range you will need to go with a mid or long cage rear mech. J'habite dans les alpes et j'ai roulé des années en 50*34 et 11*28. All of these sizes are compatible with the same cassette and derailleur combinations. Hover over the cells to highlight and see the gearing information. (Many say that your aero-tuck and other factors are more important at those speeds anyway.) Shimano now offer their Ultegra chainset in 53-39t, 52-36t and 50-34t ratios, as well as a 46-36t option for cyclo-cross Of course, those drivetrain combinations still do apply to many cyclists. I used to use 52/34 and went to 52/36. The ratios are 0.40 for the Mountain Drive, 1.65 for the Speed Drive, and 2.50 for the High Speed Drive. Does it mean a 50/34 (12-25t) has a narrower range of gears as compare to a 52/36 (12-25t) set? Dans un article précédent, jai abordé la problématique du pédalier pour les cyclosportifs: choisir entre un triple et un compact. So high cadence & low torque is the way to go if you want to carry on walking, never mind cycling. I put more power on small slopes rather than shifting down the gears. Je suis depuis plus d'un en 52*36 et 11*30 et je préfère cette combinaison. I am buying a cross bike from ROSE (DX-2000) and would mostly use it as a road bike for long distance (>100KM). Nowadays Tony Martin sometimes uses 58x11 (138.7") on his TT bike, but you (and I) are not Tony Martin - and he's not actually going that much quicker than Anquetil in his pomp. Log in or register to join the conversation. The Ultegra FC-R8000 crank on the Canyon comes in 53-39, 52-36 and 50-34 versions, so you will be able to get the smaller rings for that specific crank. Ces histoires de braquet restent très personnelles. Only you know whether you can get up hills that are around 8-9% but from my own trials and tribulations I've found that a reasonably tough hill like Leith hill is not too bad on a 52/36 with a 25 tooth minimum. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. In general, a 'mid-compact' 52/36 crank will have a 110mm BCD spider, which allows 50 and 34 tooth rings to be installed. Wheel Size Thus, I was also thinking to go for 11/28 but then fixed 11/32 as my cassette. A semi-compact chainset (typically 52/36 teeth) offers gears that are in between those found on a standard road double (typically 53/39 teeth) and those on a compact chainset (typically 50/34 teeth). I'm feeling fit enough to drop from 34 to 36 on the low. En région montagneuse où je suis, par défaut les magasins mettent du 50/34. Like you, I also used to power-up the bunny hills, but have since changed to a high-cadence approach. Choosing a big widely spaced cassette like an 11/30 means the gears will be quite spaced out and you even if you have an 11spd cassette you might find there are times you cant get a gear which you can comfortably spin, or the change in cadence required to go from one gear to another is awkward. I don't think it will work with a standard short cage. 52/36 vs 53/39. Where I live there are steep hills. For me - the range is too wide and the gaps between the gears too big. 52/39 is only 13 tooth difference - so either the 50/34 or 52/36 will give you a wider overall range on a narrow band cassette. What is the meaning of 11-32 cassette and 12-25 cassette? But in the Alps with 1-2hour climbs, I'm not climbing anywhere near my FTP and 50/34 was perfect for me. Vais-je vraiment mouliner sur un 50/34 ? The other thing you will have to consider is the rear mech. report. I currently run a 50/34 and 12-25(10sp). The all-new SHIMANO ULTEGRA R8000 series crank features lightweight crankarms, a hollow outer chainring, and a wider gear pitch for increased clearance on modern road frames. Shimano chainsets currently come in three chainring configurations: 50/34 (compact), 52/36 (mid compact), or 53/39 (standard). Supermarket selling seasonal items below cost? But on the hills, you'll find the 36 to be harder to turn than the 34. Thanks for your answer, sheldonbrown calculator is bit tough for me to use because I do not understand everything there. Count the teeth by hand if need be. Yes, but that process effectively starts in the mid-30s - and besides, I know several riders in their 50s who still ride at 2nd cat or above. By far the most common chain ring size option for ‘compact’ cranks is large ring of 50 teeth and a small ring of 34 teeth, though other options exist with 50 / 36 , 52 / 36 and 48 / 34 also being available, but less common. With Shimano 105 FC 5800, they are already producing 2 speed (double) cranksets so maybe that's the reason to go with 50/34 with 11-32 as to kinda mimic the third one? Yes, they absolutely were known for their high cadence - see my point about leg speed (taken from Fotheringham's book on Hinault, amongst others). I don't race anything, but the 50/34 on the cross bike is nice for gravel grinder rides. > Servisní centrum > Otázky a odpovědi > Zaměnitelnost převodníků 53-39 vs. 52-36 vs. 50-34 Zaměnitelnost převodníků 53-39 vs. 52-36 vs. 50-34 Dobrý den, mám sadu Chorus 11s z roku 2012 a rýd bych vyměnit převodníky 53/39 za převodníky kompaktní 50/34 a nebo za 52/36. Also, welcome to SE. Why does "nslookup -type=mx YAHOO.COMYAHOO.COMOO.COM" return a valid mail exchanger? At first the new 52/36 peaked my interest but the difference between 6 teeth up front versus 4 teeth up front with a 39-53 is the same as my current 34/50 and this makes a big difference with shifting and keeping up in the rear. yup - I use that when contemplating gearing ... Sheldon Brown's gear calculator cav be set to show speed at any given cadence. Asking for help, clarification, or responding to other answers. ou bien de prendre un 50/34, quitte à remettre en question mon style de pédalage ? What would be the best crankset to go with it? Posted by u/[deleted] 1 year ago. You'll rarely find troubles with the 11-28. That's kind of the whole point. I took the leap from 50/34 on 11-32 to the above set up, huge jump in speed immediately with no real issues with hills, even steep grades. by MarkOne. The downside of 52/34 is, that the tooth offset of the two rings does not match. Choix plateau : 50/34-52/36-53/39 4 ans 6 … So, 52/11 is more powerful than 50/11 but on the other side, can we calculate in terms of speed or some other unit, what is the loss or gain b/w these two cranksets. My copy of Sex, Lies and Handlebar Tape is at work, but IIRC stage speeds in Anquetil's day were in the mid-40s, with attacks at up to 60 kph. 52/36 ou 50/34 même combat, la plage d'utilisation est large mais c'est un peu le grand écart. It sits more “on the teeth” on the 34. Besides 11-28 I will get a wider gear spread in between. 50/34 vs 52/36 crankset for 11-32 cassette (shimano 105 5800FC), http://cycleseven.org/bicycle-gear-inch-calculator. Thanks for contributing an answer to Bicycles Stack Exchange! As a side note, If you have a normal compact crank (50/34 and 110BCD) you can just replace the rings and run 52/36 … 52-36 vs. 50-34. 59 comments. [In a nutshell, if you find the lowest gear too tough, figure out gearing that's 10-20 % lower.]. Peter Heinle has an Excel spreadsheet online with the tooth counts of a large number of 10-through 13-speed cassettes. Jump to Latest Follow REVIEWS EDITORIAL DEALS. The rear cassette will be 11-28(11sp). La mínima sería de 9,64 (36-28) y 9,11 (34-28). These all require a PCD of 110mm and this PCD is common to all compact cranks other than Campagnolo who use a 113mm PCD http://www.sheldonbrown.com/gear-calc.html, Here's another gear-inch calculator that may be easier to use: http://cycleseven.org/bicycle-gear-inch-calculator. This 2-piece crank uses an outboard, 24mm bottom bracket and features 2x11 speed 52-36, 50-34, and 46-36T compact chainrings. En este caso nos quedamos con el 52-36. 52/36 ou 50/34 - forum cyclisme velo101. Pédalier 50/34 vs 52/36 pour cassette 11-32 (shimano 105 5800FC) Shimano Pédalier Cassette Courses Pignon Sport Suite à cette réponse éclairante , je voudrais connaître les différences entre 50/34 (compact), 52/36 (mid-compact) et 53/39 (standard). Choix plateau : 50/34-52/36-53/39 4 ans 6 mois ago #131254. jfd_ Offline; Administrator Messages : 9763; Remerciements reçus 674; Karma: 26 OK, merci . Bien sûr les meilleurs cyclosportifs équipent leur vélo dun pédalier classique, de type 52/39. Please do have a browse through the. However, I have used 50/34 with 11/28 on a short cage - and that has been OK. Mais pour une grande partie de tous les autres, le compact est souvent le choix retenu. Can an individual gear/cog on the rear cassette be replaced? Peer review: Is this "citation tower" a bad practice? To what extent do performers "hear" sheet music? Replace crankset or cassette for better road performance on an MTB? It is only if the chain leaves the 52, it sort of falls into the 34. Close. You either have fitness, or you don't, regardless of age. even so mathematically it says harder , in the reality the 36-32 its harder than 34-28 . I am currently using a 53/39 crankset and a 11 speed 12-25 casstte. Welcome to SE BIcycles. If you are riding the very steepest of mountains - than the 34/32 combination might be what you are looking for. With 53/39 crank I am usually on the 17-21 cog. 52/36 is perfect! It uses a 4-arm construction and is … 3 posts • Page 1 of 1. ramchip Posts: 9 Joined: Tue May 21, 2013 11:34 am. save. Please browse through our Tour in the Help menu to learn how SE is different to conventional chat sites. 50x11 is a huge gear (119.6") - Anquetil, Mercx, Hinault all won the Tour using 53x13 (107.3") as their biggest gear, which is considerably lower than 50x11. I have a 52/39 crank set with an hg51 11/32 cassette. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. So 50/34 is just a bit easier but with the same gaps as 52/36 as both have 16 tooth difference between large and small cog. When should one recommend rejection of a manuscript versus major revisions? Prev. I've been fine with the extended 4-6% grades here in CO with the 39/28 with a cadence somewhere between 75-90, but anything steeper, my cadence drops and I have to get out of the saddle and mash. Can you legally move a dead body to preserve it as evidence? 41 . 4% actually. I ride a bike. share. If you chose the compact chainset then it might be more appropriate to use a the 11/28 cassette. It will also mean you will need a longer cage rear mech, as the chain will need to be longer. But - this depends on the kind of riding you will be doing. Assuming if I change to 50/34 crank I will probably be on the 16-21 cog. You'll rarely find troubles with the 11-28. Or does it have to be within the DHCP servers (or routers) defined subnet? Je préfère utiliser 50/36, et avoir 11/25 à l'arrière par exemple : même en 10 vitesses l'étagement est correct, un onzième pignon permettrait de monter 27 ou 28 (encore plus "tout-terrain" dans les cols). Almost everyone who's not a serious racing cyclist would be best served by a compact chainset and a wide-range cassette. http://www.opedix.com/wysiwyg-images/14 ... d4cdd4.pdf, https://www.fifpro.org/en/news/blog-hip ... ootballers, http://www.caringmedical.com/prolothera ... -athletes/. Is there a reason the word "collection" is used in Heine-Borel theorem to describe an open covering instead of "set"? In the Moment of the shift, the chain cannot sit engaged in the teeth of the 52 and the 34 at the same time. Anyone riding 52/36 with 11-32? Which is a better chainring set up for racing. Just purchased a new bike with a Rotor 3DF(110MM) 52/36. What benefits do I get? For steep hills and for speed. There's no metaphorical cliff that you fall off when you hit 50. Ainsi, chez CAMPAGNOLO et SHIMANO entre autres tous les pédaliers sont, sauf erreur de ma part, des 50/34. In short, a compact chainset will give you some small gears for keeping moving up steep hills while a standard chainset will allow … (It will keep your legs fresher for a longer period.). Me conseillez vous de rester sur mon choix d'origine et acheter un vélo avec un pédaler 52/36 ? Can I assign any static IP to a device on my network? Rotor 3DF 52/36 To 50/34. 9. Same logic applies to the 53/39, but even more drastic of a change. 36 tooth chainring to a 32 tooth cog is 1.125 ratio, (ie the rear wheel turns 1 1/8 revs for each rev of the cranks) 34 tooth chainring to 28 tooth cog is 1.214 ratio or just over 1 1/5 revs. The gaps between the gears (at the back) will not change if you have the same gap but different tooth count at the front. There are tables available which show the gear inches for different sizes of chainring and cassette. But the 8-10% grade hills around my house have me second-guessing... 52/36 is perfect! Et le 52/11 il ne me sert presque pas. “Plus, a 52/36 … It only takes a minute to sign up. Purely for fast road work - that's too wide a combination (for my personal taste). Archived. I did IMLP last year and was happy to have it. I just got a new bike that came equipped with a 53/39 on 11-28, now I'm really worried, considering swapping chain rings to 52/36. My current bike has a compact crankset. How to build an arbitrary (one-shot) pulse generator? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I don't really see what being '50+' has to do with it either way. They already asked me to get a longer cage, that's ok. I need a configuration where I can have the smallest gear possibility, in other words, I can put in maximum power and effort (which I miss in my current racing bike with Campagnolo Xenon 9 Speed set, I don't know the exact cassette configuration but its missing the few sprockets :D). (52 - 50 / 50 = .04, all other things being equal). Old school 39 front rings allow you to ride socially almost all day without a front change. Importantly, you should consider what cassette goes best with the chainset you have chosen. Au final j'ai un 52/36 parce que j'ai pris un ultimate et il n'y avait pas le choix. 50/34 compact with 11-32 10-speed Shimano 105 - will 11-34 make climbing easier or change chainring. I just don't like seeing the '50+' tag being used as an explanation for underperforming. It works perfectly. Ahora tenemos que pensar qué tipo de cicloturista somos: - llaneadores: vas casi siempre a plato, por lo que un desarrollo mayor te va mejor. Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. At the time when Hinault needed his Achilles' tendon operation. I just got a new bike that came equipped with a 53/39 on 11-28, now I'm really worried, considering swapping chain rings to 52/36. The difference is simply in the number of teeth on the chainring, and therefore the distance that the chain will travel when you turn the crank. Why does the voltage drop when I connect an 8 ohms 1 watt speaker, specifically the source to the circuit is GPIO pin output voltage? Unless you're road racing, you'll likely find the 50/34 the most versatile. To be fair, that sounds like 'normal' cadence ranges, as opposed to particularly high or low. In degrees, the latter gearing does 32 degrees additional rotation, so its mechanically harder work. I usually ride on rather flat route and will be on the 53-18 gear (Ave Cadence 80) . The trouble with compacts are that they require a front change right at typical club run speed. 21 - 38 of 38 Posts. Et à cet égard, le pédalier compact que lon retrouve (quasiment) partout est un 50/34. Effe… Had an hg51 8 speed 11/28 and changed it. 50/34 with and 11/32 on the rear is going to be very spinny. A 52/36 option might have worked in Mallorca where most climbs are 20-30 minutes in duration and fairly steady gradients, but I never felt wanting with 50/34. I’m a 22 year old rider about 6’3 185 lbs ftp is around 260 ish just getting into racing. How to determine if MacBook Pro has peaked? Here is a complete bicycle gear ratio chart of the most commonly used bicycle chainring and cog sizes. Je suis en 36*32 quand ça monte fort, et bah ça fait pique si ça dure longtemps. Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. By default, its 50/34 but I can choose. I've done it on 39 x23 before. I'm in the market for a new crank and I'm deciding between a 52/36 and 50/34 gearing. When you want to pick up the pace, go big. Can I print plastic blank space fillers for my service panel? L'administrateur a désactivé l'accès en écriture pour le public. Almost everyone who's not a serious racing cyclist would be best served by a compact chainset and a wide-range cassette. i use to have a 50/34 with 11/28. 52/36 vs 50/34 for CO road cycling Currently am running a 11 speed 11-28 53/39 setup. Discuss light weight issues concerning road bikes & parts. There was a lot of fuss and psychological game-playing back in the day associated with suggesting that someone's mechanic might be putting on a 12-tooth bottom cog for tomorrow's stage (giving 116.2").
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