2pcs 11T Ultralight MTB Aluminum Alloy Bike Bearing Jockey Wheel Rear Derailleur This set of 2 ultralight 11T MTB aluminum alloy bike bearing jockey wheels is designed for outdoor cycling enthusiasts. The rear derailleur pulleys are made from high-quality aluminum, providing strength, durability, and lightweight performance. Equipped with upgraded RS bearings, these pulleys ensure smooth shifting and reduce friction, improving overall bike efficiency. Available in multiple colors, they add a stylish touch to your bike while ensuring reliable performance on tough terrains. Suitable for 11-speed mountain bikes, these jockey wheels are built to handle outdoor conditions and enhance your biking experience. ? High-Quality Aluminum Alloy Construction: These jockey wheels are made from durable aluminum alloy, offering strength and long-lasting performance for outdoor mountain biking. ? ?? 11T Teeth for Efficient Shifting: Featuring 11 teeth, these pulleys ensure precise and smooth gear shifting for improved cycling efficiency, especially on challenging terrains. ?? ?? Upgraded RS Bearings for Smooth Performance: Equipped with upgraded RS bearings, these jockey wheels reduce friction and noise, providing a smoother, more efficient ride. ?? ? Available in Multiple Colors: Choose from black, white, blue, red, yellow, or purple to match your bike?s style while adding a custom touch to its appearance. ? ? Ultralight Design for Enhanced Speed: The lightweight aluminum construction minimizes the overall weight of your bike, helping to improve speed and handling during rides. ? ? Easy Installation: These jockey wheels are designed for quick and easy installation on 11-speed mountain bikes, making them a convenient upgrade for any cyclist. ? ? Ideal for Outdoor Mountain Biking: Built for durability and performance, these pulleys are perfect for outdoor mountain biking, handling tough terrains with ease. ? (description exceeds maximum possible length)