Carbon Oversized Rear Derailleur Pulley Cage – Shimano R6800

Premium carbon fiber pulley cage engineered for Shimano R6800 & R9000 series. Designed to reduce friction, improve shifting, and boost overall drivetrain efficiency. 

🔧 Key Features:

• 🔩 Compatible with Shimano R6800 / R9000 derailleurs
• 💎 Full carbon fiber construction – ultra-light & durable
• ⚙️ Oversized pulley system minimizes drivetrain friction
• 🚴‍♂️ Smooth, precise, and quiet shifting performance
• ⚡ Enhanced aerodynamic efficiency
• 🧰 Easy to install – fits perfectly with Shimano road series