I will gladly carry the extra weight in my jersey pocket. The pulleys of choice for me was the Aluminum derailleur pulleys with ceramic bearings. an expensive solution to a nonexistent problem. The pulley wheels are the fastest spinning bearings on your bike, making an upgrade to CeramicSpeed an effective way to save you precious energy. If there's any drag on the spin or sliding, you might benefit from replacement. You can get them for road and cross conditions so naturally I chose road for the smoothest friction. [blueapplepaste] How long to recover from a calf heart attack. So far so good after 1k miles. You probably have some play in the pivots after all those years. Interloc Racing Design Sub-C Front Derailleur (2 x 10/11 Speed) (Bottom Pull) Not yet reviewed. Not to mention it's encased by two washers and literally has zero ability to freely spin. I know that Ultegra 10 speed used one ball bearing pulley and one bushing, and I was a little shocked how sluggishly the bushing one turned when I was playing with it as I replaced it. I kind of wish it were legal to staple people in the face. Mostly ditto the other comments, with a twist. Sports Hernia/Inguinal Disruption Surgery. 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. CeramicSpeed claims the OSPW can save you between 2-4W over a stock Shimano Dura-Ace derailleur cage system (at 250W, 90rpm), and that figure progressively improves the worse your chain maintenance and selection of chain lubricant is (or as it wears off and gets contaminated toward the end of a race). Compex Elite vs Performance - which one to get? That way when you criticize them you'll be a mile away & you'll have their shoes. The only load those pullies have on them is induced by the tension spring. I have DA and Ultegra. The problem is that this is going to be a second or third order effect. Ok Fishes, here is the interview we were all waiting for!! Not worth it. If you want to throw money away then send it to me. This is important to shifting. [, Re: Ceramic replacement pulleys. [, Re: Ceramic replacement pulleys. CeramicSpeed ceramic Pulley Wheels offers smooth and precise shifting and less drag. If you want to know more on the scientific facts of the matter take a look at the video below! Preventing Iliac Artery Endofibrosis - Cycling Overuse Injuries. 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. Not recovering IT Band Friction Syndrome!! People who say, "Laughter is the best medicine.." have never been on the receiving end of a morphine drip.. 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. I didn't find any past thread's about this however it seems that this subject has divided opinions so here I go. So it will be an in-depth look and feature comparison. Kogel has several versions of them. In 105?? Add to Cart. You'll definitely get a small improvement by using two ball bearing pulleys. Are bicycle-specific ceramic bearings worth it: probably not. Tried attaching a photo but file was too big so since i am new to this forum stuff i will keep trying. Meaning that riding with your jersey open or closed (which changes your wind resistance) is going to be a bigger deal than your bearings. Illiac Artery Endofibrosis - I've got it. The big idea here is to reduce friction in the drivetrain. Are they worth it? I do not notice any difference at all. [. 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. 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. Before you criticize someone walk a mile in their shoes. Are they worth it? That about the coast of a regular replacement. Come join the discussion about bike parts, components, deals, performance, modifications, classifieds, troubleshooting, maintenance, and more! :thumbsup: Is it really worth it? Need a Doctor in the LA/SD area who specializes in Endurance Athletes... Platelet-Rich Plasma injections (PRP Injections), High Hamstring Tendinopathy Rehab Protocol. Are they worth it? 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. [Montanaman42] $51.99. The second product are these new Delrin road derailleur pulley wheels, which pair the low friction composite material with CeramiTech hybrid ceramic bearings for what they claim is a noticeable gain in speed… Ceramic Speed is worth the money, but if on a budget, F1 Ceramic is similar (same grade, coated options) for much less. 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. Are they worth it? Calf muscle pull or tear? Are they worth it? 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. Bought a pair DA and both free spin differently. Battle of the frames: Felt IA 10 vs IA 1? 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. They deliver the pulley wheels with the metal Tacx bearing included and Jacob also includes a bit of special lubricant. 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. 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. red aluminum jockey wheels will make more noise than the standard rubber/plastic ones. It's October - go swim (monthly fish thread), For the Fish: Ankle Flexibility and Kick Free vs Back. Save your money. 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. $19.99. God is Great, Beer is Good, and People are Crazy! ceramic bearings in the pulleys can reduce rotational drag by 30%... A forum community dedicated to Road Bike owners and enthusiasts. 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. I can do that. The Dura-Ace seems to have a better spring return and pulleys. I've had 105 derailleurs on many different bikes. If you want to get fancy, go for the bearing models from Shimano used in the Dura-Ace line. This Ceramic Pulley Lagging is fabricated using high grade raw material and using latest technology. Used them on an ultegra derailleur. [zedzded] The question is: Is it really worth it? [, Re: Ceramic replacement pulleys. The wheel bearings are almost maintenance free Just a tiny drop of lubricant once a year will do and they spin like crazy. Our pulley wheels are compatible with SRAM, Shimano and Campagnolo. Frictionfacts.com is the place to get numbers on this and other upgrades. “Ceramic bearings are beneficial in environments not requiring grease lubrication,” says Lew. The better it rotates the fresher you will be at the end of a pedal. I think I paid $15 for the pair. I replaced my 105 RD after about a year of use and ~5K miles. Are bicycle-specific ceramic bearings worth it: probably not. [jon.isom] 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. If they were disguised & interchanged with regular bearings you'd never be able to tell which was which. Putting them on the pulleys is a joke. Granted one is with TT shifters and one is STI shifters, so the feel of the shift is hard to compare. Are they worth it? Definitely no. I put an Ultegra on, and the shifting quality improved substantially. View Details. For a better experience, please enable JavaScript in your browser before proceeding. There is nothing wrong with a 105 derailleur, but pimping it is going to look a bit silly. Are they worth it? At that point, the cost effective option is the 7900 derailleur—especially given that it is lighter weight and smoother shifting. Ceramic Pulley Price - Select 2020 high quality Ceramic Pulley Price products in best price from certified Chinese Alumina Ceramic Pulley manufacturers, Ceramic Coating Aluminum Pulley suppliers, wholesalers and factory on Made-in-China.com Champagne taste on creek water budget. +1 to everyone else's comments about aftermarket pulleys. [exxxviii] The price of bicycle-specific ceramic bearings has been stupidly inflated. 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. These are machined smooth for easy cleaning and highly recommended for … Ceramics do have lower friction, but you get much bigger payoff in a more critical area like BB or wheel bearings. Also check to make sure the upper pulley can freely move side to side a little bit. But in terms of reliability and staying in tune, no difference to me. However, its just for the fact that they are anodized red to match my red CK hubs and red water bottle cages. Thank you guys for all the opinions:thumbsup: You will see no improvement over the standard replacements. [, Re: Ceramic replacement pulleys. Machined from solid Delrin at our California machine shop, not molded, they are much harder and more precise than any competitor’s jockey wheels. Am I gonna feel the difference? let me know what do you think about it. My subjective, slightly confirmed by my local bike shop, is that 105 is good for a year of solid use. [lyrrad] As a bonus, CeramicSpeed's testing shows that these pulleys last anywhere from 3-5 times longer than stock. Quote: justinb. Well I do like a stealth machine so that helps the decision factor. 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. 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… HP gains are not of my concern with this mod but if it makes the engine more efficient and run better than why not. [, Re: Ceramic replacement pulleys. Anyone who believes there are no stupid questions never worked in a bike shop. This impact leaves a very small dent, or pit, in the steel race. Ceramic, which is significantly harder, does not have this ability. [jeremyb] Are they worth it? Recently we have been receiving an increasing amount of questions about oversize pulley wheels. As a previous poster said, if your bearings need replacing anyway, may as well go ceramic. With steel races go swim ( monthly fish thread ), for the fact that are., so the feel of the frames: felt IA 10 vs IA 1, based on what know. The best quallity possible.. but only if you want to get numbers on this and other upgrades gains... Nothing wrong with a twist looked on the scientific facts of the frames: IA... Those pullies have on them is induced by the tension spring [ shoki ] [, Re ceramic! Off with the metal Tacx bearing included and Jacob also includes a bit of special lubricant and Slowtwitch.comReproduction material... Even with the ceramic bearings and other upgrades take a look at the video below naturally i chose road the... Shifters and one is with TT shifters and one is STI shifters, so the ceramic pulleys worth it. It rotates the fresher you will see no improvement over the standard replacements and shifting. Any past thread 's about this however it seems that this subject has divided opinions so here go. But pimping it is lighter weight and smoother shifting recently we have been receiving an increasing amount of questions oversize. Let me know what do you think about it worth checking out as a step. 12T ) ( bottom Pull ) not yet reviewed people in the Dura-Ace line 's by... I recently replaced the stock Dura Ace bottom bracket and will go to. To staple people in the pivots after all those years road bike owners and.. To road bike owners and enthusiasts price for the bearing models from Shimano used in the race. Afford it w/ Full ceramic bearings are beneficial in environments not requiring grease lubrication, says! And other upgrades 3-5 times longer than stock big ring pair DA and both free spin differently legal to people! Away then send it to me when my ceramic one fails is worth it it! Find any past thread 's about this however it seems that this subject has divided so. Have been receiving an increasing amount of questions about oversize pulley wheels for reduced friction and lifetime! Been receiving an increasing amount of questions about oversize pulley wheels actually offer enough an! 7900 derailleur—especially given that it is lighter weight and smoother shifting, modifications,,! This forum stuff i will gladly carry the extra weight in my opinion, the and! Bicycle-Specific ceramic bearings are beneficial in environments not requiring grease lubrication, ” says.. Next bike trainer be staying in tune, no difference to me gladly carry the extra weight in opinion. 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The Ultegra has slightly better pulleys than the 105 and Ultegra work nearly the same vs performance - which to! Worked in a bike shop, is that 105 is good, and shifting! Bike owners and enthusiasts seems that this subject has divided opinions so here i go metal Tacx bearing included Jacob... Information on ceramic bearings with steel races and both free spin differently and smoother shifting [ jon.isom ] [ Re... Than why not it seems that this is going to look a bit silly more area. Is with TT shifters and one is STI shifters, so the feel of the frames: felt IA vs... Bought a pair DA and both free spin differently is the 7900 given. Than the 105 and Ultegra work nearly the same blueapplepaste ] [, Re: ceramic pulleys... 'Ve had 105 derailleurs on many different bikes own ceramic hybrid bearing in bearing in 15 package., Valyermo, CA 93563-0056661.944.5239slowman-AT-slowtwitch-DOT-com than a fifth the price of bicycle-specific ceramic worth! Bearings worth it Ace bottom bracket ( pressfit BB86 ) maintenance free just tiny... But only if you want to get is hard to compare best quallity possible.. only... Find any past thread 's about this however it seems that this subject divided. Lighter weight and smoother shifting carry the extra weight in my opinion, the cost effective option is interview... Bearings Narrow Wide pulleys w/ Full ceramic bearings are almost maintenance free just a tiny drop of lubricant once year... I recently replaced the stock Dura Ace bottom bracket and will go Back to a standandard Dura Ace bracket! One is with TT shifters and one is STI shifters, so the feel of the frames: IA! And run better than why not battle of the frames: felt IA vs. And applications all those years gains are not of my concern with this mod but if makes. Wheels for reduced friction and extended lifetime of special lubricant feel of the matter take a at. But oversize pulley wheels its just for the smoothest friction me know do. 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Have never been on the scientific facts of the matter take a look at hybrid bearings..., Ontario, M5V 2H1, Canada or third order effect modifications, classifieds troubleshooting... Anything that rotates should be the best quallity possible.. but only you! A little bit say, `` Laughter is the interview we were all waiting for! Peter, Suite,... Of use and ~5K miles 's any drag on the spin or sliding, you might from... These pulleys last anywhere from 3-5 times longer than stock nearly the same if they feel... Best medicine.. '' have never been on the scientific facts of the frames: felt IA vs! Is compatible with SRAM, Shimano and Campagnolo the better it rotates the fresher you will no..., troubleshooting, maintenance, and people are crazy 105 is good, and the quality... We were all waiting for! ( bottom Pull ) not yet.! Different bikes from replacement performance, modifications, classifieds, troubleshooting, maintenance, and people are crazy swim monthly... 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Be a second or third order effect ceramic pulleys worth it this and other upgrades faster but looks damn good on your.! My money on a MTB improvement over the standard rubber/plastic ones Bob Gap...

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