BBB RollerBoys SRAM Jockey Wheels BDP-05 11T

BBB RollerBoys 11 tooth replacement rear derailleur gear jockey / pulley wheels. Compatible with the following SRAM systems: SRAM 9.0SL (2001/2002) & 9.0 (2003). SRAM X.7, X.9, X.0 & XX (< 2011). SRAM Apex, Rival, Force & RED (< 2011).