Bicycle Ceramic Pulley Jockey Wheel 11T 13T Wheel Rear Derailleur Pulley Ceramic Pulley 11T Ceramic Lightweight Durable Bicycle Accessories Color

【Exceptional Build Quality】Made from CNC machined 7005 aluminum alloy, this bicycle wheel is designed to be lightweight and extremely durable. The anodized finish provides excellent rust and corrosion resistance, ensuring long-lasting performance even in harsh cycling conditions. Meticulous CNC machining process makes it a reliable companion for avid cyclists. 【Smooth and Efficient Performance】Equipped with ceramic bearings, this jockey wheel provides extremely smooth ball bearing operation. The fully rubber bearing design ensures minimal friction and maximum efficiency, facilitating seamless gear changes across a variety of derailleur systems. Enjoy a liquid cycling experience with reduced noise and optimized pedal efficiency, whether you're on flat terrain or climbing uphill. 【UNIVERSAL COMPATIBILITY】Designed to fit most rear delays on the market, this versatile accessory is compatible with 7, 8, 9, and 10 speed bicycle systems. Adaptability across a variety of roller screw shaft sizes (4mm, 5mm, and 6mm) makes it a practical choice for a wide range of cyclists. Upgrade your bike's performance without worrying about compatibility issues thanks to this universally compatible jockey wheel. 【Enhance your bike experience】Including two ceramic bearings in each package gives cyclists not only a functional accessory but also an enhanced bike experience. These premium quality components contribute to a smoother ride, reduced mechanical drag, and increased overall enjoyment. Perfect for both competitive cyclists and recreational riders. This is a valuable addition to any cycling setup. 【Compact and Lightweight Design】With a diameter of 11T-40mm and an overall package weight of about 20g, this jockey wheel provides a compact and lightweight solution for cycling enthusiasts. Despite its small size, it doesn't compromise on robustness or performance, making it a great choice for those looking to minimize weight and upgrade their bike's features. Beautify your bike with an elegant red CNC finish while benefiting from enhanced cycling dynamics. explanation Anodized CNC machined bicycle jockey wheel with fully rubber sealed bearing for center bolt derailleur Moves on smooth ball bearings A necessary accessory for your bike Available in 3 different colors to meet different needs Fits most rear derailleurs on the market for selection, supports 7/8/9/10 speeds Enjoy cycling specification Material 7005 aluminum alloy component derailleur structural ceramic bearings color red blue silver optional Size 11T13T optional For use 7/8/9/10 speed Diameter 11T-40mm13T-50mm quantity 2 pieces Package weight about 20g-11T23g-13T Suitable for 4/5/6mm roller screw shaft What's included in the package 2 x ceramic bearings Note 1.Please allow 13mm error due to manual measurement. Thank you for your understanding. 2.Item color shown in photos may be showing slightly different monitors may not be calibrated same. The actual object may be slightly different. Please check the actual item.