FACTS ABOUT BIKE PARTS HARLEY DAVIDSON REVEALED

Bottom bracket: The bearing system which the pedals (and cranks) rotate all around. Has a spindle to which the crankset is hooked up as well as bearings by themselves. There is a bearing area around the spindle, and on each from the cups that thread in the frame.Technical Clarification: A twin-cylinder engine is also known as a twin or even a para