- Enhance your cycling performance with this high-quality Mountain Bike Pulley Wheel, featuring a 12T 11-speed derailleur repair kit that ensures broad compatibility across various bike models. - Constructed from durable ABS material and equipped with sealed bearings, this pulley wheel significantly reduces friction, delivering a smooth riding experience. It maintains consistent chain tension for seamless shifting across gear levels. - Perfect for cycling enthusiasts and professional riders who prioritize precision and reliability during gear changes, this product is designed to meet the highest standards of performance. - Whether tackling steep mountain trails or navigating urban streets, this pulley set equips you with the essential tools for efficient bike handling, helping you conquer any terrain with confidence. - Compatibility: Works with a variety of bike brands and models, ensuring that you don’t have to compromise on quality or performance. - Size and weight: Engineered to fit seamlessly without affecting your bike's overall structure while being lightweight for easy installation. - Performance: Experience a marked improvement in shifting accuracy, allowing for quick and effortless gear transitions in all riding conditions. Invest in this Mountain Bike Pulley Wheel repair set for a reliable upgrade that will enhance your cycling experience.