Derailleur Cage KitAll products of Derailleur Cage Kit SRAM E-Tap 16/16T » PreviousNext » Model No EMA-JW1616-SRBKETP Catalogue Derailleur Cage Kit Key Features Alloy Derailleur Cage kit system with pulley wheel Upper:16T/Lower:16T (SRAM E-Tap 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