Rear Derailleur Pulley Set Sram X-sync Pulley Assembly Fits X01, X01dh, X1, Gx 1x11, Force Cx1, Force 1, Rival 1 Derailleurs Dp5995 part name: Rear Derailleur Pulley Setpart make model: Sram X-sync Pulley Assembly Fits X01, X01dh, X1, Gx 1x11, Force Cx1, Force 1, Rival 1 DerailleursDp5995bike part approved: