Upgrade your ride with our premium carbon fiber bicycle derailleur pulley wheel set, specifically engineered for Shimano 105 derailleurs. Crafted from high-quality carbon fiber, these lightweight and ultra-durable pulley wheels deliver smoother, more precise shifting and minimize drivetrain friction, giving you enhanced speed and efficiency on every road adventure. The sleek, modern design not only boosts your bike's performance but also adds a professional touch to your setup. Installation is quick and effortless, making it an ideal choice for both serious cyclists and enthusiasts. Available in multiple sizes and finishes to suit your style and needs—contact us for options!