- Enhance your cycling experience with this high-performance pulley set, designed to handle inclines and city roads effortlessly, providing the support you need for optimal bicycle handling. - Boost your cycling performance with our 12T 11-speed repair kit rear derailleur, engineered for excellent compatibility with a range of mountain bicycles. - Ideal for cycling enthusiasts and professionals, this pulley set ensures precision and reliability during gear shifts, allowing for smoother transitions on any terrain. - Improve your bike's functionality significantly with this guide wheel, which enhances shifting efficiency, helping you tackle challenging routes with confidence. Key Features: - Compatibility: Designed for 11-speed mountain bike systems, ensuring seamless integration and performance. - Size: 12T pulley wheel, optimized for improved gear engagement and durability. - Material: Constructed from high-quality materials for resilience and long-lasting performance. Use Scenarios: - Perfect for mountain biking trails where precision shifting is crucial to navigate steep climbs and descents. - An excellent choice for urban commuting, providing reliable gear changes for quick accelerations and smooth rides through city streets. - A must-have for competitive cyclists looking to enhance their gear shifting reliability during races or long-distance rides. Invest in this pulley set to transform your cycling experience, ensuring every ride is smooth, efficient, and enjoyable.