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. From my perspective, this is the sort of company that develops bonds with their customers over time, and with that, loyalty. Installation was easy, though it does take some dexterity to line up washers on each side of the pulleys. If one of the components is not matched with the others, it will throw off the performance of the entire bearing. I've been able to use Strava to track exactly how much time I've spent on them, which is a pretty handy tool! There were a couple reasons I was keen to try these pulleys on these two bikes in particular. This service manual details how to work on these bearings, as well as their larger bottom bracket units. Kogel 11T Aluminium Pulleys for Shimano and Sram 10/11 Speed. © 2018 | Kögel Trailer GmbH | Am Kögel-Werk 1 | 89349 Burtenbach | Germany We're talking about a $37 difference in price, so the SRAM pulleys cost roughly 2/3 the price of the Kogels. I'm wondering if it's really an upgrade from my Shimano stock and ultimately worth the money. Through the summer of speaking with Sem about these pulleys and their press-fit bottom bracket (which will be the subject of this review), I've been very impressed by his professionalism, knowledge about the product, and attitude. Kogel Ceramic Pulleys reduce friction and enhance shifting, potentially the best value performance enhancement we sell here at Glory . Anyone have any experience with Kogel pulleys? When we first spotted the Terlingua at Sea Otter, it was hiding in a Kogel Bearings tent, and fittingly, our review bike sported shiny Kogel Bearing derailleur pulleys and Kogel BSA30 bottom bracket. I didn't know for sure until I asked Sem, and he sent the photo below as a guide. I appreciate this, the product stands on its own. The bulk of their business is bottom brackets, perhaps the least sexy component on a bike. Granted, my former pulleys were not fresh, so I was not entirely comparing apples-to-apples. At Kogel Bearings , we believe ceramic bearings set the gold standard for your bicycle bottom bracket, derailleur pulleys and wheel bearings. 119euro = 148usd (truly no loose adds-on) at today's exchange vs Kogel 189.99usd If the site is current, based on the photo there Kogel osbb-bb30 is an adaptation of PF30 +2 spacers, which looks alarmingly similar to C-bear PF30 osbb-bb30-bootsie_cat.jpg Review – Kogel Ceramic Pulleys. A bearing needs to be balanced: the hardness of the balls needs to be matched with equally smooth and hard races. In fact, someone running a high end derailleur might opt to downgrade to a cheaper set of pulleys once the stock ones wear out. Kogel Bearings is expanding their range of ceramic bearing derailleur pulleys to mountain bikes with the upcoming SRAM Eagle models. Get the best deals for kogel pulley at eBay.com. I assume the bearings are smoother than what I had, but that is impossible to evaluate without pretty elaborate equipment. Kogel have basically stopped making 11t pulley wheels moving to slightly oversize 12t which work brilliantly but do require later gen derailleurs to fit. On the performance side, if comparing new SRAM pulleys with ceramic bearings to these, I imagine the difference would be difficult to quantify. I can't answer that question today, but I imagine many of you are wondering the same: are they worth it, when one can get 12t pulleys from SRAM for $73 USD? Looking for that badass oversized pulley look, but without affecting shifting accuracy? The results showed the Shimano Acera as the least efficient pulley of the group, consuming 1.370 watts/set. Sem Gellegos, Operations Manager at Kogel, responded to my enquiry, and kindly sent out two sets of their pulleys so I could run them on a couple different types of bikes: my Steelwool cyclocross bike, set up with two rings for 'gravel season,' and my road bike. Kogel PUL-Alum 11-Tooth Ceramic Road Pulley Set (4/5mm Bore) (SRAM) Black: Amazon.com.au: Sports, Fitness & Outdoors I wouldn't buy them expecting a noticeable improvement over stock pulleys that are in good condition; however, i think they are an adequate replacement for worn or broken pulleys. Based on the data, the CeramicSpeed pulley is the most efficient pulley, consuming 0.033 watts/set. After fixing their orientation that problem disappeared, and I had no more issues whatsoever. The name of these pulleys came from the fact that Instagram videos were limited to 15 seconds. 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. What we have on review now is something that is aimed to compliment that upgrade, the VCRC Ceramic Pulley Set. Both sets feel as smooth today as when I installed them. Review – Kogel Ceramic Pulleys. These pulleys fit on your stock cage, no need to rebuild the derailleur. Absolute Black also makes a set in delrin, with stainless steel bearings, at $56 USD. Kogel recommends annual servicing, if not more often if riding often in wet conditions. I would normally wear out a pair of SRAM's plastic pulleys in one season on my cx bike, two seasons on my road bike. I figured I'd have a lower risk of derailing as well under backpedaling situations, including unplanned foot-out incidents, which cause a rapid backpedaling 1/4 revolution. 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. 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… Based in Pawnee, Illinois USA. I've experienced zero issues with the pulleys in use. Like Kolossal big! I've inspected closely today, and find their profiling remains intact, without discernible wear from new, aside from the anodizing. Overall, I only have good feelings about Kogel's narrow-wide 1X pulleys. Find many great new & used options and get the best deals for Kogel Bearings 14/14t Hybrid Ceramic Pulley Set SRAM 12 Cross - Gold at the best online prices at eBay! Clean, simple. Looking at my pulleys in the photo above, you can see they have taken wear to their anodising, but no significant wear to the actual aluminum. These pulleys fit the latest generation of Shimano derailleurs: Dura Ace R9100, Ultegra R8000 and 105 R7000. These pulleys spin on Grade 3, Abec 5 hybrid ceramic bearings. Voted Top 3 Automotive Blog 2020 - Vuelio. Kogel derailleur pulleys. After following Kogel for a couple years, spotting their newly-released 12 tooth narrow-wide derailleur pulleys on social media prompted me to enquire about obtaining some for testing and review. Some OEM jockey wheels are good, some are average, some are terrible. Since these were not likely unique issues, I figured others might be interested in the outcomes. That doesn't mean there isn't a difference, however. Racers will go to just about any length to save time and make their race machines more efficient. Summary of Results. After informing Sem which derailleurs I was using, he sent out what I needed. These pulleys fit on your stock cage, no need to rebuild the derailleur. And with a good engineering mind, John is able to make sense of it all as well. ... cross and gravel racers). What about orientation of the pulleys, which are directional? In effect, they are perfectly fine, and I fully expect to get at least another full season out of both sets. Mazda Guides RX8 … The pulleys of choice for me was the Aluminum derailleur pulleys with ceramic bearings. Just kidding, they'll be nice to you either way. Gevenalle brings a third school of thought, and that is that neither of the other two schools properly address the needs of a cyclocrosser. But when we are looking for marginal gains, this needs to be taken into account as well. 19 models of derailleur pulleys were tested for efficiency. That way they'll be nice to you. What about the bearings? And with a good engineering mind, John is able to make sense of it all as well. some oversized pulley systems have a smaller 12 or 14T on upper and a 17T on lower cage. I didn't have any derailed chains all season on either bike while riding two rings up front. COVID-19: We ask for your understanding as you may experience delivery delays. Aluminum derailleur pulleys, grade 3, Abec 5 hybrid ceramic bearings, Compatible with 11 speed Sram 1x group sets and X-Horizon derailleurs, 10 speed drivetrain - Shimano Ultegra 34/50 crank / Ultegra chain / Ultegra 11-28 and XT 11-36 cassettes / SRAM XO clutch rear derailleur / SRAM Force shifters, Issue: excessive chain drag created by tension on SRAM XO clutch derailleur with 11 tooth stock pulleys, 10 speed drivetrain - Shimano Dura-Ace 39/53 crank, Ultegra chain / Ultegra 11-28 and Dura-Ace 11-27 cassettes / SRAM Force rear derailleur / SRAM Force shifters, Issues: poor shifting performance in larger cogs, chain sporadically riding up onto centre of lower pulley, chain derailing when back-pedaling in larger cogs. I totally get that, I've been there with XTR derailleurs. Due to the added stiffness and chain retention features, Kogel says the Kolossos is a bit heavier than competitors at around 80g for the entire assembly depending on the model. One can see from Kogel's instruction manuals, which feature light, humorous language, that these folks don't take themselves too seriously, yet they are very committed to engineering and manufacturing premium bicycle parts. Mountain Bike Action New Products: OGIO Erzberg 1L Hydration Pack, Mountain Bike Action New Products: Hydro Super Sport Hydration Drink, Thieves Steal Over $160,000 Worth of Bikes from Specialized Headquarters, Mountain Bike Action New Products: O’Neal Rockstacker Short, Mountain Bike Action New Products: LEM FLOW Helmet, Mountain Bike Action New Products: Dawn To Dusk Bear Hug Mount & Kaptive 14 Bottle Cage, Watch: Discovery and Despair On The Colorado Trail With Payson McElveen, Mountain Bike Action New Products: O’NEAL Mayhem Hexx Glove, Watch: What Makes The New 2021 Pivot Shuttle Tick. 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