Tripeak Jetstream Derailleur Cage Kit

Key Features

• Alloy Derailleur Cage kit system with pulley wheel Upper：12T/Lower：16T (Shimano 105 compatible)
• TPiPEAK ceramic bearing - Race proven performance
• Molded composite material - For superior durability than metal ones
• Directional tension pulley - Reduce frictional power loss for quiet and smooth shifting performance