Base bracket: The bearing system the pedals (and cranks) rotate all over. Is made up of a spindle to which the crankset is attached and the bearings themselves. There is a bearing area to the spindle, and on each on the cups that thread in the frame. V-Twin engines are https://minibikeengines58025.thezenweb.com/considerations-to-know-about-bike-parts-pedal-73070037