The guide wheel has undergone rigorous testing to ensure stability and extend its service life in various cycling environments. Each set includes a professional installation tool, making it easier for users to install and adjust. Positive and negativetoothed guide wheel chain transmission improves efficiency, reduces friction, enhances speed response, and boosts overall cycling performance. Made from alloy for a lightweight design while maintaining wear and corrosion resistance, ensuring longterm use. Key attributes Function: guide wheel for chain transmission Material: alloy Weight: lightweight construction Durability: wear and corrosion resistance Package: includes a professional installation tool Performance: improved transmission efficiency and faster response Use scenarios Road cycling: provides stable chain guidance and reliable performance during speed riding and longdistance sessions. Mountain biking or mixedterrain riding: durable build and smooth chain engagement to handle rough terrain. Daily commuting and training: easy installation and adjustment with longlasting durability in varying weather conditions.