Derailleur Cage KitAll products of Derailleur Cage Kit SRAM Mechanical 16/16T » PreviousNext » Model No EMA-JW1616-SRBKAL Catalogue Derailleur Cage Kit Key Features Alloy Derailleur Cage kit system with pulley wheel Upper:16T/Lower:16T (SRAM Red/Force compatible)TPiPEAK ceramic bearing - Race proven performanceMolded composite material - For superior durability than metal onesDirectional tension pulley - Reduce frictional power loss for quiet and smooth shifting performance Made inTAIWAN