Carbon Fiber Guide Wheel Frame High Wear-Durability Ceramic Bearing Derailleur Pulley Rear Derailleur Pulley Wheels Long-Lasting

Premium Construction: Crafted from a high-strength carbon fiber guide wheel frame and aluminum alloy pulley wheels, this essential cycle component is built for durability and lightweight performance, reducing overall bike weight without sacrificing strength.

Fluid Er Shifting: Featuring high-quality ceramic bearings, this drivetrain part significantly reduces drag for faster, crisper, and quieter gear changes, providing a noticeable improvement in your cycling experience.

Enhance D Design: The oversized derailleur pulley system, with a 13T upper and 18T lower wheel, is engineered to decrease chain articulation and drag, resulting in improved drivetrain performance and power transmit with every pedal stroke.

Enhanced Durability: The pulley wheels are made from wear-resistant aluminum alloy, ensuring this derailleur frame offers exceptional longevity and consistent performance even under demanding riding conditions, from regularly commutes to competitive racing.

Wide Compatibility: This system is designed for a direct compatibility with specific gear system manufacturer rear derailleurs, including R7000, R8000, and related series, making it a straightforward and effective enhance for your asphalt bike's performance.