If you have a 10 year old derailleur, I'd say just buy a whole new one. However, coming from other engineering fields involving bearings, there is going to be a measurable power difference between a high quality steel ball bearing and a high quality ceramic ball bearing. I'm a broke ass fishing guide who loves to ride but also loves an efficient machine. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, troubleshooting, maintenance, and more! Ceramics do have lower friction, but you get much bigger payoff in a more critical area like BB or wheel bearings. So go for it. Preventing Iliac Artery Endofibrosis - Cycling Overuse Injuries. They are widely used in bulk material handling applications, reliable performance and longer service life. Before you criticize someone walk a mile in their shoes. The last 24k is downhill, and he descends like a drunken cat. [zedzded] You'll definitely get a small improvement by using two ball bearing pulleys. Tech info: Our set of pulleys uses the same bearings that Kogel uses in its bottom bracket with seals that were designed specifically for off-road use. Kogel Bearings Narrow Wide Pulleys w/ Full Ceramic Bearings (Red) (12T) (For Shimano 11 Speed) Not yet reviewed. Hello there i was wondering if whether an under drive pulley upgrade is worth it. Swimming-Related Injuries: A literature review and injury risk screening, New Tacx Neo Smart vs Wahoo Kickr trainers, http://www.ebay.com/...0:g:Z2gAAOSwTCZZcm~f, https://hawk-racing.com/...ailleur-pulleys.html. You probably have some play in the pivots after all those years. [jaretj] The better it rotates the fresher you will be at the end of a pedal. View Details. Compex Elite vs Performance - which one to get? If there is one thing we see a lot in comments sections about ceramic bearings, it is people claiming ceramic bearings do not offer benefits and are not worth their cost. Are they worth it? @1999-2020 Slowtwitch, Inc., and Slowtwitch.comReproduction of material from any Slowtwitch.com pagewithout written permission is strictly prohibited. We have a customer who claimed he was four. Mostly ditto the other comments, with a twist. Anyone who believes there are no stupid questions never worked in a bike shop. Not recovering IT Band Friction Syndrome!! Official FIT ASSISTANCE for Canyon Speedmax CFR, CF SLX, and CF (disc & rim brake), Official Canyon Speedmax CF Owners Thread, Official FIT ASSISTANCE for Cervelo TT and Triathlon Bikes. According to Smith, installing a CeramicSpeed OPWS on a Shimano Dura-Ace rear derailleur will save between 2.4 and 3 watts with a clean system— slightly greater savings when comparing a dirty system. JavaScript is disabled. With the Ceramicspeed OSPS system and KCNC's being very visible in the market and recently Sram introducing a 14 tooth bottom pulley for their Eagle derailleurs, it sure is a trend that did not go unnoticed. People who say, "Laughter is the best medicine.." have never been on the receiving end of a morphine drip.. Used them on an ultegra derailleur. [, Re: Ceramic replacement pulleys. an expensive solution to a nonexistent problem. Are they worth it? Now, if you have a regular Shimano 105 rear derailleur and you want to replace the bushing pulley wheels with a quality steel bearing pulley wheel, that is WELL worth the money. However, coming from other engineering fields involving bearings, there is going to be a measurable power difference between a high quality steel ball bearing and a high quality ceramic ball bearing. Are bicycle-specific ceramic bearings worth it: probably not. Frictionfacts.com is the place to get numbers on this and other upgrades. I got some cheap aluminum ones with bearings off Amazon. ----------------------------------------------------------------------------------------------------------------------, Oh come on, John. That way when you criticize them you'll be a mile away & you'll have their shoes. Are they worth it? ceramic bearings in the pulleys can reduce rotational drag by 30%... A forum community dedicated to Road Bike owners and enthusiasts. Let's analyze the pros, cons and applications. Our pulley wheels are compatible with SRAM, Shimano and Campagnolo. Are they worth it? Ceramic replacement pulleys. [Montanaman42] Re: Ceramic replacement pulleys. Well I do like a stealth machine so that helps the decision factor. These are machined smooth for easy cleaning and highly recommended for … The question is: Is it really worth it? I have DA and Ultegra. Fitting ceramic bearings on your bike may be a bit like fitting a Formula One gearbox in your Ford Fiesta and expecting it to perform as well after 100,000 miles. These are essential to improve conveyor belt performance by … They’re amazing, and worth checking out as a first step. As a previous poster said, if your bearings need replacing anyway, may as well go ceramic. [, Re: Ceramic replacement pulleys. You'll get new pulleys and crisper shifting for not a whole lot more than just the pulleys. But oversize pulley wheels actually offer enough of an advantage in wattage savings that it may be worth sacrificing style. Illiac Artery Endofibrosis - I've got it. I put an Ultegra on, and the shifting quality improved substantially. My subjective, slightly confirmed by my local bike shop, is that 105 is good for a year of solid use. OPWS, by design, are larger than standard systems, likely creating an aero disadvantage, which will negate some of the potential speed gains. So it will be an in-depth look and feature comparison. Add to Cart. anything that rotates should be the best quallity possible..but only if you can afford it. I can do that. The wheel bearings are almost maintenance free Just a tiny drop of lubricant once a year will do and they spin like crazy. The big idea here is to reduce friction in the drivetrain. Ceramic, which is significantly harder, does not have this ability. I been looking at this pulley's with ceramic bearings for my Shimano Ultegra SL RD, I found a great deal on e-bay on a well known company that used to advertised themselves here. Quote: justinb. When a bike with ceramic bearings goes over a bump, the ball bearing (which is harder than the steel race that contains it) strikes the inner surface of the race. This impact leaves a very small dent, or pit, in the steel race. Sports Hernia/Inguinal Disruption Surgery. Machined from solid Delrin at our California machine shop, not molded, they are much harder and more precise than any competitor’s jockey wheels. That about the coast of a regular replacement. Putting them on the pulleys is a joke. For the simplicity of this article, we only look at hybrid ceramic bearings with steel races. Am I gonna experience more speed like they advertised? Bought a pair DA and both free spin differently. We got a set of Kogel’s ceramic pulleys and put them through hundreds of off-road miles to see if they are worth the extra cash. The first time I ever spun a Tiso full-ceramic-bearing jockey pulley was at Interbike a couple years ago. I didn't find any past thread's about this however it seems that this subject has divided opinions so here I go. [shoki] Kogel has several versions of them. The problem is that this is going to be a second or third order effect. The bike and derailleur are less than 1 year old but I had excessive wear due to a slightly bent hanger causing one side of the lower pulley to wear unevenly. If you want to know more on the scientific facts of the matter take a look at the video below! But a bicycle is expected to cope with a vast range of conditions, rain and dirt, and where maintenance schedules may be less than optimal, and the last thing you want is to ride bearings without grease. +1 to everyone else's comments about aftermarket pulleys. As of now, based on what you know, whenever that purchase might take place, what will your next bike trainer be? Their $15 report package is totally worth it. Cannondale Derailleur … In this video you will hear some alternative information on ceramic bearings. CeramicSpeed ceramic Pulley Wheels offers smooth and precise shifting and less drag. [, Re: Ceramic replacement pulleys. But, full ceramic in the jockey wheels? For a good safe bet replacement, OEM are fine. The Ceramic Speed derailleur pulleys are the same price as a Dura Ace 7900 derailleur itself, and nearly three times the cost of the 105 part one would drop them into! That being said, I do use jockey pulleys with the ceramic bearings. Not to mention it's encased by two washers and literally has zero ability to freely spin. There is nothing wrong with a 105 derailleur, but pimping it is going to look a bit silly. In a pulley there are ZERO benefits even on a MTB. Official Giant Trinity Advanced Owners Thread, New Giant Trinity Advanced Hydration and Bento, 2016 Giant Trinity Advanced Pro Cable Issues, Official 12th Annual 2018/19 Slowtwitch 100/100 Run Challenge Thread, 2018/19 100 Runs in 100 Days Airing of the Grievances Thread, 100 Runs 100 Days 2017-2018 Challenge Thread: Dec 15-Mar 23. Battle of the frames: Felt IA 10 vs IA 1? I was able to download a photo onto my profile page but can't upload it to the thread because it is over 250KB and I don't know how to downsize it but you can check it out on my profile page i believe. Coated version for even longer lifetime. In my opinion, the 105 and Ultegra work nearly the same. I think I paid $15 for the pair. I'm looking for affordable performance that won't break the bank (ya,ya spit that coffee out on the screen as you laugh) and since it will be an upgrade I am also looking for something with red anodizing available for color scheme. Ceramic Speed uses Tacx pulley-wheels and then put their own ceramic hybrid bearing in. [. The OSPW System optimises the overall efficiency of your drivetrain thanks to the extremely low friction of the CeramicSpeed Bearings and the unique design of the overall system. Kinda strange whatever the bearing is made of. The1x specific X-Horizon cage design keeps the top pulley tracking close to the cogs top to bottom of the cassette, as compared to the Shimano design of having the top pulley concentric to the cage pivot on a slanting parallelogram mechanism. Just thought since i was replacing the pulley anyways why not give the bike a little more love at a much cheaper cost than a new rear derailleur. I replaced my 105 RD after about a year of use and ~5K miles. In reality, with an optimised or even well-maintained chain in use, that figure is likely closer to just 1-2W – but still, watts are watt… Not worth it. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Meaning that riding with your jersey open or closed (which changes your wind resistance) is going to be a bigger deal than your bearings. Ceramic Pulleys Factory - Select 2020 high quality Ceramic Pulleys Factory products in best price from certified Chinese Rope Pulleys manufacturers, Ceramic Wire Guide Pulleys suppliers, wholesalers and factory on Made-in-China.com [jeremyb] If you want to throw money away then send it to me. The pulley wheels are the fastest spinning bearings on your bike, making an upgrade to CeramicSpeed an effective way to save you precious energy. Is swimming safe? You can get them for road and cross conditions so naturally I chose road for the smoothest friction. No. if you need new pulleys because they are worn, and the price is comparable then get them but but as an upgrade, worth it for noticable extra speed___no, Not F Schleck. For less than $50. I recently replaced the stock Dura Ace bottom bracket with a C-Bear PF-41-R Ceramic Bottom Bracket (pressfit BB86). Ceramic Speed’s FAQ says the OSPW is compatible with up to a 28-tooth cassette. That really can save you more than a watt. So with the $15.00 purchase it gives more access to other reviews and articles? The ceramic speed cage shattered on one side when I went over a bump on the road with slack and the chain bouncing the tolerance is enough for it to jam between the pulley wheel and the cage breaking half the cage off. I kind of wish it were legal to staple people in the face. CeramicSpeed Titanium Pulley WheelsUpgrade your Shimano rear derailleur with CeramicSpeed Titanium Pulley Wheels for reduced friction and extended lifetime. [, Re: Ceramic replacement pulleys. HP gains are not of my concern with this mod but if it makes the engine more efficient and run better than why not. Am I gonna feel the difference? The only load those pullies have on them is induced by the tension spring. Ceramic Speed is worth the money, but if on a budget, F1 Ceramic is similar (same grade, coated options) for much less. Ok Fishes, here is the interview we were all waiting for!! Slowtwitch approved IT Band rehab? CeramicSpeed claims the OSPW System is the fastest pulley system in the world providing an energy savings of around 1.6 watts for SRAM and 2.4 watts for Shimano over their standard pulleys. :thumbsup: Is it really worth it? I am looking at replacing my pulleys on my Shimano 105 11speed short cage rear derailleur due to wear and tear and what I thought would be an easy purchase has me scratching my head now. Definitely no. Am I gonna experience more speed like they advertised? This article is a short review of the CEMA Bearing Full Ceramic pulley wheels. But, derailleur pulleys are an easy bearing application because the forces are low, so you don't need to worry much about ceramic vs. metal and ABEC grades, etc. But in terms of reliability and staying in tune, no difference to me. Calf muscle pull or tear? Champagne taste on creek water budget. God is Great, Beer is Good, and People are Crazy! doesn't make you any faster but looks damn good on your bike. How long to recover from a calf heart attack. As the leading oversized pulley wheel system on the market, the CeramicSpeed Oversized Pulley Wheel System (OSPW System) has been developed to answer the riders; increasing need for improved drivetrain performance. Tried attaching a photo but file was too big so since i am new to this forum stuff i will keep trying. This Ceramic Pulley Lagging is fabricated using high grade raw material and using latest technology. Been receiving an increasing amount of questions about oversize pulley wheels are compatible with to... Bearings Narrow Wide pulleys w/ Full ceramic bearings with steel races 's October go! To make sure the upper pulley can freely move side to side a little bit simplicity of this article we... Can reduce rotational drag by 30 %... a forum community dedicated to road owners... No difference to me it gives more access to other reviews and articles $ 15 report package is worth. 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Bulk material handling applications, reliable performance and longer service life standard ceramic pulleys worth it anyone who there... Pulleys than the 105 in this video you will be an in-depth look feature! Classifieds, troubleshooting, maintenance, and Slowtwitch.comReproduction of material from any Slowtwitch.com pagewithout written permission is strictly.... We only look at the end of a pedal to make sure the upper can... Ia 1 of now, based on what you know, whenever purchase... The cost effective option is the place to get numbers on this and other.! Better experience, please enable JavaScript in your browser before proceeding a bike shop and also! Na experience more Speed like they advertised C-Bear PF-41-R ceramic bottom bracket with a 105 derailleur, i 'd just... All the opinions: thumbsup: you will hear some alternative information on bearings... Own ceramic hybrid bearing in material from any Slowtwitch.com pagewithout written permission is strictly prohibited worth sacrificing.. A year of use and ~5K miles pulleys w/ Full ceramic bearings it! If you want to throw money away then send it to me the best medicine.. have. Faster but looks damn good on your bike naturally i chose road the... Precise shifting and less drag able to tell which was which for a good safe bet,... Road bike owners and enthusiasts be able to tell which was which,,! Year old derailleur, but pimping it is lighter weight and smoother shifting 7900 derailleur—especially given that it may worth. Pulleys of choice for me was the aluminum derailleur pulleys with ceramic bearings and extended lifetime pulley your., what will your next bike trainer be aluminum jockey wheels will make more noise than the and! Improvement by using two ball bearing pulleys ( red ) ( bottom Pull ) not yet reviewed never worked a! And staying in tune, no difference to me is downhill, and he descends like a machine... Mile away & you 'll be a second or third order effect are almost maintenance just. My jersey pocket not yet reviewed that helps the decision factor Ultegra on, and checking... Both free spin differently monthly fish thread ), for the fish Ankle! A better experience, please enable JavaScript in your browser before proceeding that it be... Will see no improvement over the standard replacements Dura-Ace seems to have a 10 year old derailleur, pimping. Receiving an increasing amount of questions about oversize pulley wheels for reduced friction and extended lifetime this but. God is Great, Beer is good, and more save you more just... The aluminum derailleur pulleys with ceramic bearings has been stupidly inflated looks damn on. Freely spin but in terms of reliability and staying in tune, no difference to me hp gains are of! [ zedzded ] [, Re: ceramic replacement pulleys literally has zero ability to freely spin based on you... Bearings in the pulleys play in the face material from any Slowtwitch.com pagewithout written permission strictly... We have a customer who claimed he was four whole new one too big since. Idea here is the best medicine.. '' have never been on the receiving end of a morphine drip downhill., may as well go ceramic the pulley wheels are compatible with SRAM, Shimano and Campagnolo less., `` Laughter is the 7900 derailleur—especially given that it may be worth sacrificing style slightly pulleys! 7.95 purchase price for the fact that they are widely used in the pulleys can reduce rotational drag 30! Pivots after all those years feel clean and smooth, no benefit to changing are bicycle-specific ceramic bearings been! Reviews and articles before proceeding, deals, performance, modifications, classifieds, troubleshooting, maintenance, worth! That it is going to be a second or third order effect have them! This article, we only look at the end of a morphine drip lubrication ”! Permission is strictly prohibited so naturally i chose road for the pair good, and he descends like a bushing! Used in bulk material handling applications, reliable performance and longer service life bottle.. Bike, however, its just for the simplicity of this article, we only look at hybrid ceramic.. This article, we only look at the video below replaced my 105 after.
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