durable pulley wheels constructed with low-friction bearings to ensure smooth, precise shifting performance on 105 RD-5800-SS 11-speed rear derailleurs.
Designed with lightweight, corrosion-resistant materials for enhanced longevity and reliable operation in various riding conditions, including wet and muddy environments.
Optimized for 105 series 11-speed drivetrain components, these pulley assemblies reduce drivetrain drag and improve overall shifting efficiency for a responsive ride.
Engineered with advanced technology to minimize vibration and noise, providing a quieter, more enjoyable cycling experience during long rides and performance rides.
A perfect replacement for 105 rear derailleurs, these pulley sets are and ideal for upgrading your bike's performance and maintaining optimal gear shifting.