TheSRAM DERAILLEUR PULLEY KIT X4/SX4is the original replacement jockey wheels forx4/sx4. SRAM DERAILLEUR PULLEY KIT X4/SX4 Features Fits Sram X4 and SXR Rear Mechs (1 pair)
The Sram Derailleur Pulley Kit X4/SX4 Black is ideal for riders using Sram 8-speed or Ultegra 7-speed aluminum alloy derailleurs.
