Optimized Compatibility: The cover is specifically designed to fit for ALLEZ and for SL7 models, ensuring seamless integration with your bicycle's components for enhanced performance. Enhanced Mechanical Speed: This component allows for smoother gear transitions, optimizing the mechanical speed of your bike and improving overall riding efficiency on various terrains. Advanced for DI2 Integration: Features compatibility with for DI2 electronic speed systems, providing riders with advanced shifting technology that enhances responsiveness during rides. Construction: Made from high-quality materials, the Cover is built to withstand the rigors of cycling, offering long-lasting durability and resistance to wear and tear. Easy Installation: Designed for hassle-free installation, this product can be quickly mounted onto your bike without the need for tools, allowing you to upgrade your setup in no time. This cover is engineered to enhance your cycling experience by providing optimized compatibility with specific bike models. It ensures smooth gear transitions and integrates seamlessly with advanced electronic shifting systems. Constructed from durable materials, it withstands the demands of cycling while being easy to install, making it a practical upgrade for any cyclist. Color: Black Material: plastic Specification: B Package Contents: 1*Bundle Stand Bowl Group Transfer