Enhance your bike’s performance and style with this high-quality Rear Derailleur Pulley, crafted from durable aluminum alloy for excellent wear resistance and long-lasting use. Designed with precision and fine workmanship, this pulley not only improves your bike’s functionality but also adds a sleek, stylish look. Featuring an advanced ceramic self-lubricating system, it ensures smooth operation and superior lubricity, reducing friction and extending the life of your drivetrain. Suitable for both mountain bikes and road bikes, this 11-tooth pulley with a diameter of approximately 41mm (1.6 inches) is lightweight at around 10g, making it an ideal upgrade for cycling enthusiasts. Available in two different colors to match your personal preference and bike aesthetics. Key Features: · Premium Aluminum Alloy Construction: Provides strength, durability, and wear resistance for reliable long-term use. · Ceramic Self-Lubricating System: Offers excellent lubricity to reduce friction and ensure smooth, quiet shifting performance. · Compatible with Mountain and Road Bikes: Versatile design fits a wide range of bike types for enhanced drivetrain efficiency. · Optimal Size and Weight: 11-tooth pulley with a diameter of approximately 41mm and a lightweight design (~10g) for improved bike handling. · Stylish Design: Fine workmanship enhances the appearance of your bike, making it look cooler and more professional. · Color Options: Choose from two different colors to suit your style and bike setup. Selection Guidance: · Choose the same size as your original guide wheel whenever possible. If not available, select a smaller size but never larger. · Note that the guide wheel is not the same as the tension wheel; some rear derailleurs have different sizes for these wheels and may require chain length adjustment after replacement. Specifications: · Item Type: Rear Derailleur Pulley · Material: Aluminum Alloy · Teeth: 11T · Diameter: Approx. 41mm / 1.6in · Weight: Approx. 10g Package Includes: · 1 x Rear Derailleur Pulley (100% Brand New) Upgrade your bike’s drivetrain with this durable, efficient, and stylish Rear Derailleur Pulley, designed to deliver smooth shifting and enhanced performance on every ride.