Spindle offer the power to cut grass via working together with the pulleys and belts. Bent or broken spindle assembly will cause the blades to spin unevenly, even prevent them from spinning at all. We have lawn mower spindle assembly for sale to fit John Deere, Cub Cadet, Husqvarna, AYP, MTD and more brands mowers. Every spindle assembly include replacement lawn mower pulleys. Try Hexautoparts, get your mower back into perfect cutting shape.