Simple purchase of this upgrade kit from Garmin will turn your standard Ultegra PD-6800 SPD pedals into a watt crunching machine. This kit allows you to remove the internals of an existing Vector pedal, and replace the innards of a Shimano Ultegra pedals using the power components from the Vector pedal to now function with the Shimano product. This basic kit includes just to parts need to replace the Shimano internals, Vector parts not included.