An upgrade to ceramic bearing therefore is the most effective upgrade. Full ceramic bearings are standard on AITA ceramic jockey wheel/pulley of the rear derailleur. The Campagnolo ceramic BB lower pulley tested very efficient (it is the second most … You have the BBInfinite bottom bracket with Ceramitechs already, and you've experienced the tremendous gains. This CeramicSpeed Oversized Pulley Wheel System is developed for performance optimisation, and the watt savings start at 2.4 watts. Save your money. Hopefully, this helps clear up confusion about which ceramic derailleur pulley set will work best for your bike. The special design helps guide the chain in its ideal line and perform super smooth shifting. If you like the oversized pulleys that are gaining popularity fast nowadays, we can fit a 12 and 14 tooth combo in these derailleurs without the need to swap the cage. I'm keen to change only the jockey wheels, not the whole pulley, for ceramic bearings ones. Your choice is simple; use the 11 tooth pulleys with cross seals. ... KACTUS 14-18T MTB Ceramic Bearing Carbon fiber Jockey Pulley Wheel - Duration: 7:11. wlei0304 2,693 views. Dura Ace R9100, Ultegra R8000 and 105 R7000 series: Our 12 tooth pulleys are slightly larger than the stock Shimano pulleys. Order 12T ceramic pulleys at BBInfinite. BBInfinite 11T Ceramitech pulleys have a 1-Year warranty. Leading industry wheel dynamics expert and CEO of Edco Wheels , Paul Lew, backs this up and reckons it makes ceramic bearings a poor choice for hubs and headsets, also adding that they offer no weight savings and are only beneficial in environments where high rpm (revolutions per minute) are required. 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). Numbers in the 8000 determine the latest generation Ultegra. Sram road groupos that use a front derailleur are an easy selection, both the 10 and 11 speed sets work with the hybrid ceramic pulleys or the Not For Instagram set. Retail price on our set of pulleys … Yeehaa. Each KCNC pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing. Info Product Intro Vid Maintenance Vid Rock solid … ZrO2 full ceramic races build the strength and Si3N4 grade 3 ceramic balls deliver the results. The idea (in addition to less friction supplied by ceramic bearings) is that the larger wheels put more gradual bends in your chain, which allows it to flow through the derailleur and jockey wheels … Get the best deals on CeramicSpeed Bicycle Rear Derailleur when you shop the largest online selection at eBay.com. Each KCNC pulley wheel is equipped with a high quality hybrid ceramic cartridge bearing. The cage is made from carbon fibre and reinforced PA while the 17-tooth pulley wheels are made from aluminium and mounted with high quality CeramicSpeed bearings. 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. The pulley wheels are the fastest spinning bearings on your bike. KCNC Ceramic Derailleur Pulley Wheel KCNC pulleys are intentionally designed with an integral amount of float or lateral movement. Still need help? Constructed with a fiber reinforced polymer, the Sram 22 road bike pulley set is in-molded for absolute security. That really can save you more than a watt. Cnc machined pulley wheels with ceramic bearing. Recently Shimano started synchronizing the Road and Mountain classification: R9100 is Dura Ace, M9100 is XTR. The 11 tooth pulleys are a great fit, but require a slightly different spacing between  the cages. These derailleurs work best with the 12 tooth pulleys. Kogel uses its own ceramic bearing that was designed to reduce friction and make your drivetrain run smoother and faster. Each KCNC pulley wheel is equipped with a high quality hybrid ceramic … Summary of Results. ONLY 30 BUCKS! 1-800-727-2453. They are more corrosion-resistant, harder, and last longer in everyday use. https://www.kogel.cc/blogs/kbba/derailleur-pulleys-buyers-guide It's time for another step forward toward your goal. Contact Us ZERØ Ceramic Pulleys Independently tested and winning competitions for the least rolling resistance, the truly best part of these jockey wheels is the silent and crisp shifting they afford. Few other companies are offering oversized pulley wheels and its OSPW are, by and large, the pulleys of choice in the pro peloton. Leading industry wheel dynamics expert and CEO of Edco Wheels , Paul Lew, backs this up and reckons it makes ceramic bearings a poor choice for hubs and headsets, also adding that they offer no weight … The cage is made from carbon fibre and reinforced PA while the 17-tooth pulley wheels … The Flattop chain used is these road groups has a very narrow internal width. The Oversized Pulleys will fit on the long cage Wifli derailleurs, but not on the short cage. It is a tight fit on the short cage derailleurs, but we have tested the setup for thousands of miles on road and gravel without any hiccups. Recently we introduced new oversized derailleur pulleys for Shimano and Sram Wifli derailleurs. Frictionfacts.com is the place to get … It spins freely in your fingers and doesn't waste energy in the real system. But, full ceramic in the jockey wheels? Based on the data, the CeramicSpeed pulley is the most efficient pulley, consuming 0.033 watts/set. Just ask for the 10 speed setup with your order and we will make sure they ship correct for your derailleur. The fit at the bolt for Shimano and Campagnolo is identical. So go for it. Perfect OE replacement for Shimano road and mountain derailleurs … Even with CeramicSpeed’s system, you can run into some … CeramicSpeed aluminium alloy pulley wheels are specially designed to reduce friction to an absolute minimum, virtually eliminating the drag associated with standard pulley wheels. To guide the chain in its ideal line and perform Super smooth shifting challenging the. 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