Quill stems are mostly obsolete on modern bikes. Built-in handlebar and stem units are becoming significantly widespread on high-stop aerodynamic road bikes, but limit adjustability and make upkeep far more sophisticated. The seatpost is the component that connects the saddle for the frame. It permits height adjustment and angle positioning https://mini-bike-engines60371.jiliblog.com/91674190/little-known-facts-about-cassette-bike-part