Keep your D3A mountain bike pedals running smoothly with a complete replacement spindle set for both the left and right pedals. The kit includes the high-strength forged chromoly spindle assemblies and the associated bearings, washers, O-rings, spacers and retaining nuts. It provides the essential internal components needed to service worn or damaged pedal internals without replacing the complete pedal pair. Choose the correct version for your D3A Small or D3A Large pedals. Included in the set: Left-hand spindle assembly Right-hand spindle assembly Replacement bearings Washers O-rings Spacers Retaining nuts For correct performance and rider safety, installation should be completed using suitable tools and the appropriate service procedure. If you are unsure, ask a qualified bicycle mechanic to fit the components. Replacment Pedal Spindle Set for the PEMBREE D3A mountain bike pedals.