ZTTO Guide Pulley Bike Rear Derailleur Pulley Wheels, Colorful Aluminum Alloy 11T 13T CNC Road Bike Guide Roller Bicycle Derailleur 4mm 5mm 6mm for

ZTTO Guide Pulley Bike Rear Derailleur Pulley Wheels, Colorful Aluminum Alloy 11T 13T CNC Road Bike Guide Roller Bicycle Derailleur 4mm 5mm 6mm for

【Steel Bearing Pulley】Our Road Pulley Wheel is designed with high-quality steel bearings, making it suitable for all cycling applications—whether road, MTB, or triathlon. It optimizes your bike rear derailleur performance by reducing friction and extending its lifetime. With the fastest spinning bearings on your bike, upgrading to our high-performance pulley wheels helps save energy and ride faster. 【High-Quality Aluminum Construction】Weighing an astonishing 11g, this jockey wheel is crafted from durable aluminum to withstand the rigors of intense cycling sessions. Its precisely engineered design ensures smooth and reliable shifting, allowing you to effortlessly switch gears while riding. The removable design also simplifies maintenance. 【Optimized Tooth Profile】The refined tooth profile minimizes chain drag, reducing friction and extending the lifespan of your bike chain. Combined with high-quality bearings, the jockey wheel provides smooth, efficient rotation and minimizes energy loss during pedaling. 【Energy-Saving Upgrade】Enhance your cycling experience with our Bicycle Rear Derailleur Pulley Jockey Wheel. Enjoy smoother shifting, reduced chain drag, and improved overall efficiency—helping you save power on every ride. 【Reliable After-Sales Guarantee】Enjoy peace of mind with our 1-year warranty and 24-hour customer service. We're here to support your cycling journey every step of the way. It also can be used as Christmas gift or decoration. 1