Enhance your bicycle’s performance with this high-quality 11T Rear Derailleur Pulley, specially designed for smooth chain transportation and efficient speed shifting. Compatible with 8, 9, 10, and 11-speed rear derailleurs, this pulley combines durable construction with precision engineering to ensure reliable and quiet operation during every ride. Key Features: · Compatible with 8/9/10/11-Speed Rear Derailleurs: The 11-tooth design perfectly fits most modern drivetrains, providing seamless chain movement and accurate gear changes. · Ultra-Light Ceramic Bearing: Equipped with an inner ceramic bearing, this pulley offers exceptional lubrication and ultra-lightweight performance, guaranteeing smooth rotation and reduced friction for enhanced drivetrain efficiency. · Durable Aluminum Alloy Construction: Crafted from high-quality aluminum alloy, the pulley is both rust-resistant and corrosion-resistant, ensuring long-lasting durability even under rigorous cycling conditions. · Versatile Installation Options: Includes two replaceable bushings (4mm and 5mm) to accommodate different mounting requirements, offering flexibility for a wide range of bike setups. · Multiple Color Options: Available in Red, Gold, Blue, Titanium, and Black to match your bike’s style and personalize your gear. Specifications: · Condition: Brand New · Material: Aluminum Alloy · Teeth Count: 11T · Hole Diameter: Approx. 6mm (with included 4mm and 5mm bushings) · Size: Approx. 4 x 0.8 cm (1.6 x 0.3 in) · Weight: Approx. 18g Package Includes: · 1 x Bike Rear Derailleur Pulley · 2 x Bushings (4mm and 5mm) Designed for cyclists seeking reliable and high-performance drivetrain components, this rear derailleur pulley enhances shifting precision and reduces chain friction. Upgrade your bike with this lightweight, corrosion-resistant pulley to enjoy smoother rides and longer-lasting drivetrain efficiency.