For SRAM 11spd(6-spoke pulleys)
KaEngineering 6-spoke custom alloy Pulleys fits Sram X0/X1/X01/XX1/GX 11spd rear derailleurs. The set of two pulleys comes with CX precision bearings and dust caps to be installed on the derailleur cage correctly. Upper pulley is 12 tooth flat profile, lower - 12 tooth with narrow wide profile. The pulleys are milled out of a solid 7075-T651 aluminium alloy plate. Available in 10 anodized colors + 2 type III hard anodized finishes.