The Profile Design Legacy Clip-On Alloy Aerobar is an entry level aerobar that won't hurt the bottom line. At this price, it's a great choice for the roadie who does an occasional time trial race and the novice triathlete who owns a trusty road bike. It incorporates low armrest bridges with three mount positions and ergonomic split extensions for comfort. This clip-on aerobar is constructed from lightweight aluminum alloy with forged brackets and has an anodized matte black finish for durability, and foam padded armrests for greater comfort. Get the Profile Design Legacy Clip-On Alloy Aerobar, then get out and ride!