YAMAHA AEROX 155 SIDE BAR YORK NUT FITTING MIRROR The Yamaha Aerox 155 Side Bar York Nut Fitting Mirror appears to be a specialized aftermarket mirror designed for the Yamaha Aerox 155 scooter. It likely refers to a side mirror that is fitted to the scooter using a York nut fitting, a type of hardware that secures the mirror to the scooter's handlebar or fairing. The term "Side Bar" may refer to a specific mounting style or position, where the mirror is placed on the sidebars or handlebar mounts. Such mirrors are typically designed for better visibility, durability, and aesthetic appeal, offering a more secure and stable fit compared to standard mirrors. They may also feature a sleek design, possibly with modern finishes like chrome, matte black, or even carbon fiber, making them a popular choice for riders who want to customize their scooter. Upgrading to these mirrors could also improve your riding experience, offering clearer views of the road and surrounding traffic, which is essential for safety.