17T Ceramic Rear Derailleur Pulley, Compatible with Bicycles

【Ceramic Bearings】The AL7075 alloy guide and ceramic bearings provide optimal lubrication and minimal friction. This system ensures smooth and quiet pedaling, ideal for road cyclists seeking reliable and precise gear changes.
【Optimized Tooth Profile】With deep teeth, this guide pulley aligns perfectly with the chain direction to prevent derailment. This design ensures crisp transitions and stable winding, even during demanding mountain bike sessions on technical trails.
【Wide Compatibility】This versatile 17-tooth sprocket works with 7, 8, 9, and 10-speed bikes. Its lightweight structure reduces the overall load on the drivetrain, supporting long rides without adding weight to your equipment. 【Customizable Style】Available in red, blue, gold, and black, this accessory allows you to match the aesthetics of your bike. The elegant finish adds a personalized touch to your mountain bike or road bike, combining functionality with personal style. 【Constant Reliability】The sealed bearing mechanism protects internal components from dust and water during outdoor rides. This robust construction reduces maintenance needs, allowing everyday cyclists and professionals alike to fully focus on their ride with smooth, consistent gear changes.