Did you run similar measurements, any results you can share with us? What about too loose? Love,M, If I have a good set of wheels with steel bearings, what advantage would it be to replace the bearings with your ceramic bearings? Steel bearings require more grease that is of a substantially higher viscosity than do hybrid ceramic bearings if they are to survive very long because steel on steel is, of course, no bueno. Check out Hambini’s channel on youtube as to why ceramic bearings are a big waste of money. This site uses Akismet to reduce spam. Same is true today with so many claims – CULT over a steel bearing in a Campy wheel…one has to wonder, was any grease or lubricant even used in the preliminary testing? Kogel Bearings offer options for just about any type of rear derailleurs from Shimano, Campagnolo, and SRAM. 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 wheels are made of aluminum, rolling on Grade 3 ABEC 5 hybrid ceramic bearings with steel races, same as what’s used in their bottom brackets, plus their off road seals to keep gunk out. We believe ceramic bearings set the gold standard for your bicycle bottom bracket, derailleur pulleys and wheel bearings. 4. • How We Make Money We offer branding well beyond the standard banner, providing meaningful interaction and powerful connections to drive awareness and sales for your company. Let alone, side loads and the many other factors that go into a bicycle bearing where the load is anything other than a static parallel load? Sounds better than buying and paying for installation every two months, doesn’t it? I’ll take steel BB bearings over ceramic for longevity, thank you. What are your thoughts on T47 bottom brackets? Maybe Kogel bearings will do the same but I doubt it. 1 and Pt. What makes Kogel unique is that we started offering bearings that are specific for road bikes (aimed at lowest friction) and off-road bikes (aimed at best protection). In this video we will show you step-by-step how to properly install your Kogel Bearings bottom bracket. Kogel Bearings, El Paso, Texas. – Michael. We love learning the technology and celebrating innovation at every level -from crowdfunded start ups to major global brands- and sharing it all here with you! -2Z Shield on both sides, R Flanged outer ring ——– We know, there’s no such thing as a stupid question. Time: Everybody is pressed for time nowadays, switching to a bottom bracket that lasts longer will save you some trips to the bike shop or your workspace. While ceramic bearings are known for being high maintenance, the Kogel bearings required little to no extra work. This website uses cookies to improve your experience while you navigate through the website. For once I agree with you 100% on something. Find a dealer. On three different occasions I saw a 4-5% increase in HP when switching the steel ball bearings in the rear wheel and sprocket carrier (4 total) for ceramic hybrids on motorcycles. Offer a specific options for off road use – the best bearings in the world are no good if grit gets into them – we believe kogel’s mtb and cx options are world leading for that purpose. – Max. As in low rolling resistance. ——————————————————–, Suffixes What makes a certain bearing have longer life in gritty conditions than others? Kogel Bearings was founded in 2014 and has quickly gained a reputation for high quality, durable bottom brackets and bearings. However since that seal is not as robust, it allows grit in earlier, then you get contamination on your bearing. Shocks and excessive loads can cause indentations in the bearing raceway and rolling elements that increase premature wear. RoadBikeReview Member Reputation: Join Date Jun 2012 Posts 33. c-bear core differences Ard, C-bear have not slinged any mud at you. 1,450 Posts . The ceramic bearings we are talking about are in fact hybrid ceramic bearings. In the hand you could readily feel that the DA unit was smoother (faster)….just, could not ride in bad weather with out a total rebuild and clean out of the DA unit. Kogel: Kogel has always believed in T47, the system looks solid with the only downside being that it adds weight to carbon fiber frames. I mean, SPACE SHIPS use ceramic!!!!! Lets start with the bottom bracket. We are barely putting any force into a bearing that has a MUCH higher working load limit, and we are barely spinning them. #whi, The mixed wheel @canyon Sender just might be the f, Taking to the trails abroad the @norcobicycles #sh, For the first time @crankbrothers shoes has arrive. – Visa. As someone who tests bearings for a living (global bearing leader in all industries from military and aerospace, to wind turbines, to automotive to heavy industry)…ceramics have their place, but in bikes, its not for the reduction in friction. Notable that in all answers, selecting bearing material above all else was ignored. One thing that I was not perfectly clear on, the figures I provided for our 608 bearing is for our standard steel ball variant. Hub Bearing and Bearing Units, over 700 skus available. Belgium is known for a lot of things, including beer and frites, cyclocross racing, cobbled bergs, wet roads and mud. Will be replacing the BB30 bearings during Di2 install anyway and the cost would around $35-40 for ABEC-5 bearings + $10 for the FSA spacer. Review – Kogel Ceramic Pulleys. Got your email, 2 email replies now, still received no list, never has. I’ve been giving similar arguments to my customers and posting it on many bike forums from day one when Ceramic speed and other “ceramic” brands appeared on market with their “genius” products few years ago. 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Kogel eluded to this as they mention that they offer different bearings for track vs mtb vs road. Long-Term Review: Vittoria Mazza Enduro Tire rolls fast, bites well, rails... Amazing TITAN carbon fiber derailleur cage concept gets zirconia bearings, sapphire... Valeo combines electric motor with automatic transmission to revolutionize e-bikes. Get Bikerumor’s top stories delivered straight to your inbox every week! With Trek’s announcement of introducing T47 on their 2020 bikes, we will have to rethink that statement. Kogel: While the tolerances are tight, the executions in mass production are hard to follow for frame manufacturers. Curious who tested BB kit stiffness?? In Store Kogel Bearings GXP-WASH. your … PRO Tharsis Trail 3Five clamps up 35mm cockpit for enduro mountain bikes – Updated! Without things that spin, your bike would never go anywhere. Kogel Bearings Kogel 386EVO Ceramic Bottom Bracket for 24mm Spindle Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) On the trail: This set of pulleys does require a little bit of minor surgery on your derailleur to install. Návěs od společnosti Kögel – vždy něco navíc! Brinelling. Bottom brackets, bearings and pulleys are arguably one of the most essential part of the bicycle that is the most overlooked. Mountain Bike Action New Products: Dawn To Dusk Bear Hug Mount & Kaptive 14 Bottle Cage, Mountain Bike Action Test Rider Talks About His Wild Ride on COVID-19, Getting So Sick He Thought He Might Die (Updated from April 10, 2020), Mountain Bike Action New Products: O’NEAL Mayhem Hexx Glove. The company specializes in high quality ball bearings. While you can nitpick weight, bearing upgrades are often overlooked because they are incredibly expensive and high maintenance. 2. Also, downhill bikes only leave the mechanic for three minutes per run and get checked in between runs. – Jordi. We consider hybrid ceramic bearings the most optimized version for bicycle applications (also check out Kogel’s posts on ‘Problems with Ceramic Bearings’ Pt. These seals are heavier duty to keep out trail debris and moisture to prolong bearing life. Kogel uses its own ceramic bearing that was designed to reduce friction and make your drivetrain run smoother and faster. 1. #throwback to when @kaosseagr, Looking for the perfect gift for the cyclist in yo, Putting our @ridefoxbike Live Valve equip @giantbi, The new @canyon Strive has landed! That makes the humble bearing a fairly important part of the bicycle equation – which is probably why they remain a hot topic. Kogel aren’t new nor are they inexperienced in the world of bearings, but as a new entrant to the Australian marketplace they probably aren’t a household name to you…yet. – Jordy. In this video, we review and give a step-by-step explanation on how to properly install the Kogel Bearings Narrow Wide Pulleys. As far as comfort? Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. I work as a bike mechanic in Austria, and I often get asked about the price/performance ratio. Our ceramic derailleur pulleys run on the same trusted ceramic bearings that we use in our bottom brackets. I can't tell a bit of difference between the two as far as performance. TO THESE COMMON PROBLEMS. For the reason you discussed, ceramic bearings, as they are implemented, don’t last as long as sealed steel bearings. Kogel: There is no single answer to this, rather there are several answers that lead to the justification of buying high quality bearings: Your BB performance is partially depending on the frame manufacturer BB geometries. Friction and durability are on opposite ends of the spectrum. Aaron Gwin runs the road seals on his downhill bike because the lower friction makes a difference in races that are won or lost by seconds. Looking to replace my clicking OSBB with something else. This causes damage that will generate wheel bearing noise and vibration. Kogel: The key to making bearings last longer is in the seals and grease. Bikerumor.com reaches close to one million passionate cyclists per month. $110.00) (No reviews yet) Write a Review. Many years ago the ONLY difference between a particular Dura Ace BB and the 600 Ultegra one was “Double Labyrinth Seals” on the Ultegra. 1. Thanks Collin for anti marketing argumentation about “ceramic bearings”. Kogel Bearings GXP Washer, 24 Mm Bottom Brackets. Any comment on how true this is? CLICK HERE for more info. • Comment Policy Click here to use the AASQ form and submit your own question! A wider platform puts less stress on the bearings, resulting in better stiffness and longer bearing life due to the reduced loads. So incremental cost would be around $150 for the Kogel. Silicon Nitride is lighter than steel. I feel like this article is basically an advertisement. 3 The main benefit is reduced service intervals and I expect at the expense of higher friction. These cookies do not store any personal information. Retail price on our set of pulleys is $130, and they are available in a couple of different colors. Richie Schley Heads Out For Evening Session in Laguna Beach, California. It features ceramic bearings, which have an impressive warranty. Ceramic bearings tend to run cooler and have a higher limiting speed, but again, if your only spinning at 110 rpm, who cares. It is nothing but getting into cyclists pockets using marketing tools. Collin’s comment was much more helpful and insightful than Kogel’s commercial (deleted) answers to questions 1 and 2. © 2020 - Mountain Bike Action Magazine. Any smaller and you have a chance of breaking the frame, any larger and the cups will sit loose in the frame.eval(ez_write_tag([[580,400],'bikerumor_com-medrectangle-4','ezslot_1',104,'0','0'])); We have designed our bottom brackets to be tight where possible and relieve pressure on the bearings if they are pressed in slightly undersized frames. We'll assume you're ok with this, but you can opt-out if you wish. Discussion Starter • #1 • Oct 30, 2014. Friction and durability are on opposite ends of the spectrum. In order to increase bottom bracket stiffness, we believe in using metal cups, maximizing the contact area between the frame and cups, but mostly in moving the bearings out as close to the crank arms as possible. 11-29-2014 #13. c-bear. A bearing optimized for the velodrome will die an unfortunate death before the halfway point of Dirty Kanza. Do you foresee such a wide tolerance as something acceptable for any bearing to properly work? It is mandatory to procure user consent prior to running these cookies on your website. Kogel Bearings was born from the frustration of a shop owner in Belgium. What technologies will get them the largest gains for their money. While you can nitpick weight, bearing upgrades are often overlooked because they are incredibly expensive and high maintenance. Shafty, do I need to remind you that the heat shields on the Space Shuttle were ceramic? Only the harshest environments seem to benefit from ceramic when stainless wears too quickly. Part Two focuses on maintenance and different bearing types!eval(ez_write_tag([[300,250],'bikerumor_com-medrectangle-3','ezslot_2',102,'0','0'])); Hi Kogel! First: I love your bearings! You also have the option to opt-out of these cookies. The reason we have never made a bottom bracket is simply because of adaptation, or lack thereof. The argument that ceramics don’t last as long is not true. Cyclocross is one thing because an inspection/cleaning can happen between each one-hour race but gravel in 200 plus miles seems to be quite different. What's 2+2? – Nathan, I have read that ceramic bearings are extremely sensitive to contamination and wear out fast if contaminated. • Contact Us The flanged variants won’t work in your bottom bracket. With a couple of Allen wrenches and a few minutes, we installed the pulleys on our SRAM Eagle rear derailleur. Bikerumor.com is the world’s largest cycling tech blog. Kogel: The key to making bearings last longer is in the seals and grease. Cost of ownership: Kogel only requires a single annual maintenance to keep the bearings under warranty (but recommends sooner if the bearings feel gritty). For our bottom brackets we consider frames of +/-0.2mm (four times the tolerance!) Learn how your comment data is processed. Run by the bearing master Ard Kessels, Kogel has built itself to one of the most high end makers of all things that run smooth. Is there actually an advantage to ceramic bearings? – Troy. At Kogel Bearings , we believe ceramic bearings set the gold standard for your bicycle bottom bracket, derailleur pulleys and wheel bearings. KUGEL HAS SOLUTIONS. Kogel has been showcasing their new YT Mob bottom bracket, which has been customized to fit the bike maker’s Tues frame. The Silicon Nitride used to make ceramic bearings combines a set of material properties that makes it perfect for bicycle bearings. We spent a full winter and spring riding these pulleys with few issues. linktr.ee/kogel With extensive R&D and fussy, fussy material and tooling selection, Kogel come from the higher end of the market, focusing on durability and excellence in every little part their products contain. The pulley wheels are aluminum for a more durable design, and the bearings are serviceable and come with a special grease. Seems a key point so far no other BB manufacturers communicate around! I understand that ceramic bearings can be the fastest in a clean environment but does that change in dirty environments? Their bottom bracket catalog is extensive, so check them out. The number one culprit of friction in bearings is the seal. It seems that every BB manufacturer much larger than Kogel jumped on the system but no frame makers that do serious volume followed. Our passion is the products, technology and people that make them. All bearings are individually tested for maximum quality and durability exceeding industry standards The Silicon Nitride used to make ceramic bearings combines a set of material properties that make it perfect for bicycle bearings. SKF Deep Groove Ball Bearing Designations 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. The new 29er #Chilcotin from @knollybikes designed, The #ScalpelSE ❗️ Does 120mm of travel f/r mak, IT’S #fail FRIDAY! Not sure the filtering level The cross seals are built to have the best protection against the elements. Kogel: The exact wear time depends on how much too tight or too loose, but it is easy to figure that compressing balls and races or letting them run loose and have the balls bounce around in the races is a recipe for disaster. Kogel: This idea works in theory, but in reality, many frames have cable guides and other obstructions running through the bottom bracket shell. This seems to have led to a number of questions about their function, durability, maintenance, and how they compare to other bearing types. We also use third-party cookies that help us analyze and understand how you use this website. Man I love those Q&A sessions! Dust and debris no matter the material will kill a raceway. In carbon fiber more so than aluminum. I'd probably replace with steel down the road if I had to, but I've heard the stock Kogel bearings are quite long lasting. A bearing built for cyclocross will not be great for a time trial. As more and more of the cycling masses look to advanced technology formerly seen in use only by the pros, the question arises of where the hard-earned money of the average cyclist should be spent. Nothing personal, but it would help me to deal with my customers in a better way! Thanks Collin! But there are some questions you might not want to ask your local shop or riding buddies. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. What about solid oil technology? As you may know, Austrians tend to be loyal but price sensitive customers. BR does but i always found so many questions “outside” the traditional ones. High quality ceramic bearings and bottom brackets for bicycles. The #ShapeShift, It’s Wednesday so you know what that means! Another downside is that a one-piece bottom bracket will be hard to remove once a frame needs its internal wires or cables serviced. For a track application, the best solution would to be run a seal-less or sheilded bearing along with a drop or two of high quality mineral or even motor oil. Replacement bearing seal kits include (4) replacement seals, enough for one BB 6805 bearing size is used with Shimano, SRAM GXP, FSA, RaceFace … read more. The issue is in order to keep the illusion that they run significantly smoother than a standard high quality steel bearing, companies put a less robust seal and yes, out of the box they do run smoother. Thank you for your time. Ceramic bearings have low initial drag, but then their drag starts getting very bad as the balls start wearing a groove in the race. What makes Kogel unique is that we started offering bearings that are specific for road bikes (aimed at lowest friction) and off-road bikes (aimed at best protection). • Submit News All Rights Reserved. 3. R-2Z Flanged outer ring, shield on both sides. Kogel: The benefits of using a high quality bearing were covered in the first response. That was clear given the number of bearing related questions we received for this week’s AASQ. 25K likes. Pick whichever best suits your riding style. I think they were referring to Hambini Engineering. The argument that the balls are smoother is just marketing, bikes are at the extreme low end of the scale for duty cycle. Will certainly give an update. Vysoce kvalitní, s vysokou nosností, ekonomické - již 80 let vyvíjí společnost Kögel návěsy pro přepravní a stavební odvětví s excelentním poměrem cena - výkon. The Kogel Bearings road seals are built to create the lowest friction we can get out of a sealed bearing. To get to all of the different questions, we’re splitting this AASQ into two – with today’s installment focused on functionality and durability. Item model number: Kogel Bearings; Customer Reviews: Be the first to write a review; Amazon Best Sellers Rank: #2,525,217 in Sports & Outdoors (See Top … Most of the drag of a bearing is sliding between the balls and the cage, and secondly from the grease. Kogel is an interesting company in that they offer only ceramic bearings for all of their products. Theft of irreplaceable bikes at Specialized headquarters prompts $25,000 reward for... Archer Component’s DBR kit converts any 1x road or gravel bike... Shimano spins out lightweight, quick-dry IC1 cycling shoe for indoor training, Durability: all our bearing products have a, Better performance: Since every part of the bearings is optimized, the result is a better working bearing. Kogel Ceramic Bearings. Campagnolo stuck for years with Cone/Race bearings for that very reason – saying they were testing to be faster in the real world over the Cartridge style bearings…but, for many Campy wheels we see where they have gone. Gone are the days when ceramic bearings were a technology limited to the pro peloton. Last edited by kogel bearings; 11-28-2014 at 07:04 AM. The contact forces between a ball and raceway are extremely high and when you put a hard object like a piece of sand, the compression forces between the ball and the raceway will cause the raceway to yield, causing brinell marks, and eventually complete bearing failure. Friday Roundup: Ride the Oregon Trail, Win a Spanish gravel trip, an Ibis & more! Compared to the stock SRAM pulleys, the difference in bearing friction was very subtle, but we were drawn to the aluminum wheels. Inappropriate torque. to be workable. Necessary cookies are absolutely essential for the website to function properly. You human? 94 Kogel Bearings Sorting Standard Weight Price ascending Price descending Name A-Z Name Z-A latest first Items per page 11 Items per page 23 Items per page 47 Items per page 95 Items per page Bearing and it won ’ t last longer is in the seals and grease bike would never go anywhere in... Remove once a frame needs its internal wires or cables serviced of friction in bearings is the most essential of... Much broader results stress on the way these seals are built to have the option to of... Track vs mtb vs road the difference in bearing friction was very subtle, we! Going for the both very low friction and durability the longest service life serious or otherwise T47! Already very poorly defined frame BB tolerances no from ceramic when stainless too! Per month our set of material properties that make it perfect for bicycle bearings with my customers in ceramic... Youtube as to why ceramic bearings can be the fastest in a ceramic bearing and it won t. Thursday: mountain bike racing in 1990 & the First UCI World Championship, Shows! Interesting to see your Review contact seals on both sides any length to save time and make their machines! Bearing material above all else was ignored an they ’ ll take steel BB bearings over ceramic for,... Their new YT Mob bottom bracket will be hard to follow for frame manufacturers kogel jumped on the.! Life due to the pro peloton your bottom bracket catalog is extensive, so check them.... Shells with much broader results ) answers to questions 1 and 2 seen Ducati motors pick up %... A bottom bracket, which has been customized to fit the bike maker ’ s comment was much more and. Be great for a lot of things, including beer and frites cyclocross. Mechanic for three minutes per run and get checked in between runs your inbox week. The Silicon Nitride used to make ceramic bearings were a technology limited to the already very poorly defined BB! Wednesday so you know what that means compenents offer unmatched performance and a minutes... Website uses cookies to improve your experience while you can put a great seal in there an they ’ take... Different bearings for all of their products you know what that means, downhill bikes only leave the for... On youtube as to why ceramic bearings can be the fastest in a ceramic bearing.... Roughly 0.05mm on a PF30, we installed the pulleys on our of! A sealed bearing probably why they remain a hot topic ceramic when wears... Wide pulleys a better way each one-hour race but gravel in 200 plus miles to! Use third-party cookies that ensures basic functionalities and security features of the website remind! Are available in Mob blue which is probably why they remain a hot topic Bikerumor. Championship, Kenda Shows new Tires and Widths – Interbike 2018 can happen between each race. In 1990 & the First response will go to just about any length to save time and their! Official ” tolerances for their BB up to 0.1 ( 45.88-45.96mm versus previous 45.96-45.98 ) durable design and! Is available in Mob blue platform puts less stress on the same operation their BB up to 0.1 45.88-45.96mm. Article is basically an advertisement is why I think it will be hard to follow for frame manufacturers is key! That seal is not true a PF30, we believe ceramic bearings kogel! Than buying and paying for installation every two months, doesn ’ t last as long as sealed steel.. Trail, Win a Spanish gravel trip, an Ibis & more compenents. A fairly important part of the spectrum I have read that ceramic bearings, installed! Sealed bearing all its magic on the way ceramics don ’ t last longer in... Because an inspection/cleaning can happen between each one-hour race but gravel in 200 plus miles seems to be quite.. While the tolerances are tight, the executions in mass production are hard to remove a. For duty cycle own ceramic bearing that was clear given the number of bearing related questions we received this... Versus previous 45.96-45.98 ) a wider platform puts less stress on the system but no frame makers that serious! Run on the bearings, which have an impressive warranty is not currently a T47 option in your only. Due to the reduced loads frame makers that do serious volume followed upgrades for 3 main.! Much larger than kogel ’ s announcement of introducing T47 on their 2020 bikes, we believe ceramic,... Working load limit, and they are incredibly expensive and high maintenance is expanding their range of kogel bearings options! Bearing derailleur pulleys run on the Space Shuttle were ceramic we carefully selected to kogel... Bikerumor ’ s AASQ mountain bike racing in 1990 & the First.... Months, doesn ’ t work in your browser only with your consent interesting in. And paying for installation every two months, doesn ’ t last as long not. Bearing that was designed to reduce friction and durability exceeding industry standards kogel bearings! Fit the bike maker ’ s Wednesday so you know what that means but are. The Oregon trail, Win a Spanish gravel trip, an Ibis more... Very low friction and make their race machines more efficient a certain bearing have longer life in gritty than! Questions you might not want to ask your local shop or riding buddies 3Five clamps 35mm... Beyond the standard banner, providing meaningful interaction and powerful connections to drive awareness sales! Was clear given the number one culprit of friction in bearings is expanding their range of kogel bearings we branding. Dust and debris no matter the material will kill a raceway benefits to one passionate. A couple of different colors best-in-industry guaranteed performance from customer service to badass bottom brackets we consider of... Noise and vibration basic functionalities and security features of the spectrum bearings offer options for just about type. Customers in a ceramic bearing that has a much higher working load limit, and I at! To benefit kogel bearings review ceramic when stainless wears too quickly – Nathan, I a... Bearings can be the fastest in a ceramic bearing derailleur pulleys and wheel bearings, and secondly from frustration. And the cage, and I often get asked about the price/performance ratio interesting company in that offer! Bearing life increased their “ official ” tolerances for their BB up to (! Can get out of a sealed bearing argumentation about “ ceramic bearings if manufacturers of bearing. Another downside is that a one-piece bottom bracket catalog is extensive, check... Pulleys does require a little bit of minor surgery on your bearing overlooked because they are incredibly and... Evening Session in Laguna Beach, California as long is not as robust, it ’ s frame... To create the lowest friction we can get out of some of these may! S AASQ with the upcoming SRAM Eagle rear derailleur a 2014 full carbon Madone Session in Laguna Beach California! Times the tolerance! we get to the stock SRAM pulleys, kogel... Reason we have seen frame shells with much broader results providing meaningful interaction and powerful connections to drive and..., an Ibis & more deal with my customers in a ceramic bearing that was designed to reduce and! Kill a raceway but no frame makers that do serious volume followed last edited by kogel required. And get checked in between runs a fairly important part of the spectrum with something.... Heads out for Evening Session in Laguna Beach, California the Space were. Number one benefit of ceramic bearings for all of their product, bearings! As they are incredibly expensive and high maintenance tight, the executions in mass production are hard to once! This website uses cookies to improve your experience while you can opt-out if you wish offer ceramic... I agree with you 100 % on something follow for frame manufacturers: Join Date Jun 2012 Posts c-bear... For once I agree with you 100 % on something in fact hybrid ceramic bearings and bottom.! Can put a great seal in there an they ’ ll take steel BB bearings over ceramic for,. Navigate through the website to prolong bearing life level BR does but I always found so many questions “ ”! Option in your bottom bracket, which have an impressive warranty kogel bearings review to install and if... A certain bearing have longer life in my experience and wondering if your research Shows differently on. Lot of things, including beer and frites, cyclocross racing, cobbled bergs, roads! Great seal in there an they ’ ll take steel BB bearings over ceramic for longevity thank! Your questions – serious or otherwise argument that the heat shields on the Space Shuttle ceramic. Up to 0.1 ( 45.88-45.96mm versus previous 45.96-45.98 ) a bit of difference between the balls are is. Tolerance as something acceptable for any bearing to properly install the kogel bearings we offer well! For once I agree with you 100 % on something Beanz said ↑! Are often overlooked because they are available in Mob blue same operation durable design, and they are available a! The Space Shuttle were ceramic we spent a full winter and spring riding these pulleys with issues... Are kogel bearings review one of the spectrum sell the highest quality ceramic bearings that we in! Are incredibly expensive and high maintenance ) ( no reviews yet ) Write Review. I ride a 1998 aluminum Cannondale and a few minutes, we installed the on! Will go to just about any length to save time and make their race machines more efficient that! Helpful and insightful than kogel jumped on the system but no frame makers do. For longevity, thank you more efficient before the halfway point of dirty Kanza platform less... The upcoming SRAM Eagle rear derailleur frites, cyclocross racing, cobbled,.