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)
Best Price: £7.00 from Leisure Lakes Bikes
Sram Derailleur Pulley Kit X4/SX4 Black Reviews