{"product_id":"ztto-11t-mtb-bicycle-rear-derailleur-jockey-wheel-ceramic-bearing-pulley-al7075-cnc-road-bike-guide-roller-idler-4mm-5mm-6mm","title":"ZTTO 11T MTB Bicycle Rear Derailleur Jockey Wheel Ceramic Bearing Pulley AL7075 CNC Road Bike Guide Roller Idler 4mm 5mm 6mm","description":"\u003cdiv\u003e\n  \u003ch1\u003eZTTO 11T Ceramic Bearing Jockey Wheel – Ultra-Smooth Rear Derailleur Upgrade\u003c\/h1\u003e\n\n  \u003cp\u003e\n    Turn every pedal stroke into pure, efficient power. The \u003cb\u003eZTTO 11T MTB Bicycle Rear Derailleur Jockey Wheel\u003c\/b\u003e is designed for riders who want a faster, smoother, and more responsive drivetrain – whether you’re racing on the road, attacking climbs on your MTB, or chasing seconds in a triathlon. With premium \u003cb\u003ehybrid ceramic bearings\u003c\/b\u003e, ultra-light \u003cb\u003eAL7075 CNC aluminum\u003c\/b\u003e, and smart engineering in every detail, this pulley wheel helps you ride further and faster with less effort.\n  \u003c\/p\u003e\n\n  \u003ch2\u003e🌟 Why You’ll Love It\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n      \u003cb\u003eEffortless speed with ceramic bearings\u003c\/b\u003e – Hybrid ceramic bearings dramatically reduce friction, especially in \u003cb\u003elow load, high-speed\u003c\/b\u003e conditions, so you accelerate quicker and maintain speed with less power.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eUltra-lightweight performance\u003c\/b\u003e – Weighing only about \u003cb\u003e7.8 g\u003c\/b\u003e, the AL7075 CNC-machined pulley keeps your drivetrain light and responsive without sacrificing strength.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eSmoother, quieter shifting\u003c\/b\u003e – Precision construction and optimized pulley design help your rear derailleur track the chain more accurately for crisp, reliable gear changes.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eBuilt for all disciplines\u003c\/b\u003e – Perfect for \u003cb\u003eroad, MTB, and triathlon\u003c\/b\u003e use, this pulley wheel is engineered to be the fastest-spinning bearing on your bike, making it one of the most effective upgrades per gram.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eDurable AL7075 aluminum body\u003c\/b\u003e – High-grade aluminum alloy offers excellent stiffness and wear resistance, so your pulley stands up to hard riding and tough conditions.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003ePOM bearing rings for guide pulley\u003c\/b\u003e – High-stiffness engineering thermoplastic provides \u003cb\u003elow friction, high dimensional stability\u003c\/b\u003e, and outstanding resistance to water and salty environments – no rust, no constant lubrication.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eExtended bearing life\u003c\/b\u003e – Ceramic balls are \u003cb\u003emuch harder\u003c\/b\u003e than steel, \u003cb\u003e60% lighter\u003c\/b\u003e, and extremely wear resistant, giving you a longer-lasting, more efficient drivetrain.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eLow-maintenance design\u003c\/b\u003e – Safe operation even with low lubricant levels reduces viscous drag and maintenance time, while the removable design makes cleaning and servicing easier.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eWide compatibility\u003c\/b\u003e – Fits \u003cb\u003e4\/5\/6 mm roller screw axis\u003c\/b\u003e and is suitable for \u003cb\u003emost rear derailleurs on the market\u003c\/b\u003e, making it a simple, high-impact upgrade.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eMultiple color options\u003c\/b\u003e – Available in \u003cb\u003eBlack, Red, Blue, Silver, Gold\u003c\/b\u003e so you can match your bike’s style while boosting performance.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      \u003cb\u003eEnergy-saving upgrade\u003c\/b\u003e – As one of the fastest spinning bearings on your bike, upgrading your pulley wheels is an efficient way to \u003cb\u003esave watts, reduce fatigue, or ride faster\u003c\/b\u003e at the same effort.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e⚙️ Full Specs\u003c\/h2\u003e\n  \u003ctable style=\"width:100%; border-collapse:collapse; margin:16px 0; font-size:14px;\"\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eProduct name\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eZTTO 11T MTB Bicycle Rear Derailleur Jockey Wheel Ceramic Bearing Pulley AL7075 CNC Road Bike Guide Roller Idler 4mm 5mm 6mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eType\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBicycle Rear Derailleur Ceramic bearing Pulley Jockey Wheel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003ePerformance note\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        All the results of the simulations and the experimentations indicated that the ceramic ball bearings' performances are very good, especially in the low load and high-speed environment.\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eSize\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e11T\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eStructure\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCeramic bearing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ealuminum alloy 7075\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eColor options\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBlack Red Blue Silver Gold\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eWeight\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eabout 7.8g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eCompatibility\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        Fit for 4\/5\/6 MM roller screw axis\u003cbr\u003e\n        Apply for most of rear derailleur on the market\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eApplication\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        Suitable for all cycling applications, whether it is road, MTB, or triathlon, these pulley wheels will optimize your speed rear derailleur with reduced friction and extended lifetime. Being the fastest spinning bearings on your bike, an upgrade with our high-performance pulley wheels are an effective way to save energy or ride faster.\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003ePulley wheels description\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        Weighing only astonishing 7.8g grams, these lightweight pulley wheels are fitted with hybrid ceramic bearings, which reduce friction and feature increased lifetime. The aluminum alloy is very durable, and together with the pulley design, the set optimizes the overall performance of your derailleur. The removable design also makes the maintenance much easier.\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003ePOM bearing rings\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        For guide pulley, we use POM bearing rings instead of steel bearing rings, POM is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability. They are also extremely light weight, that is why we can make a 7.8 grams pulley wheel. They are also resistant to water and salty environment and they will never need lubrication or getting rusty.\n      \u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cb\u003eZTTO Premium Hybrid Ceramic Bearings\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\n        ZTTO bearings feature rolling balls made of a ceramic material. The rolling balls are constructed of silicon nitride or zirconia ceramics.\u003cbr\u003e\u003cbr\u003e\n        Using ceramic bearings in hubs, bottom brackets, and pulleys will reduce friction. By reducing the coefficient of friction, you can accelerate faster and maintain speed with less power input.\u003cbr\u003e\u003cbr\u003e\n        Benefits of ceramic bearings:\u003cbr\u003e\u003cbr\u003e\n        Ceramic bearings have 10% less friction than steel bearings.\u003cbr\u003e\u003cbr\u003e\n        Bearings are extremely wear resistant because ceramic material is much harder than the\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"ZTTOBIKE Store","offers":[{"title":"Pulley screws Purple","offer_id":43265132003395,"sku":"12000035249660140","price":497.3,"currency_code":"KES","in_stock":true},{"title":"Pulley screws Orange","offer_id":43265132036163,"sku":"12000035249660141","price":497.3,"currency_code":"KES","in_stock":true},{"title":"1pcs BLUE","offer_id":43265132068931,"sku":"12000035249660142","price":633.28,"currency_code":"KES","in_stock":true},{"title":"2pcs GOLD","offer_id":43265132101699,"sku":"12000035249660143","price":1129.28,"currency_code":"KES","in_stock":true},{"title":"Pulley screws Black","offer_id":43265132134467,"sku":"12000035249660138","price":494.71,"currency_code":"KES","in_stock":true},{"title":"Pulley screws Red","offer_id":43265132167235,"sku":"12000035249660139","price":497.3,"currency_code":"KES","in_stock":true},{"title":"2pcs SILVER","offer_id":43265132200003,"sku":"12000035249660148","price":1137.05,"currency_code":"KES","in_stock":true},{"title":"2pcs black","offer_id":43265132232771,"sku":"12000035249660149","price":1137.05,"currency_code":"KES","in_stock":true},{"title":"1pcs GOLD","offer_id":43265132265539,"sku":"12000035249660150","price":635.87,"currency_code":"KES","in_stock":true},{"title":"1pcs RED","offer_id":43265132298307,"sku":"12000035249660151","price":626.8,"currency_code":"KES","in_stock":true},{"title":"1pcs BLACK","offer_id":43265132331075,"sku":"12000035249660144","price":634.57,"currency_code":"KES","in_stock":true},{"title":"2pcs Blue","offer_id":43265132363843,"sku":"12000035249660145","price":1133.16,"currency_code":"KES","in_stock":true},{"title":"2pcs RED","offer_id":43265132396611,"sku":"12000035249660146","price":1137.05,"currency_code":"KES","in_stock":true},{"title":"1pcs SILVER","offer_id":43265132429379,"sku":"12000035249660147","price":628.1,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/8149\/7667\/files\/S0edee155230245e5a32bad53cdb4c019W.webp?v=1778685025","url":"https:\/\/houseofstephie.co\/products\/ztto-11t-mtb-bicycle-rear-derailleur-jockey-wheel-ceramic-bearing-pulley-al7075-cnc-road-bike-guide-roller-idler-4mm-5mm-6mm","provider":"House of Stephie","version":"1.0","type":"link"}