●Product 1: Ideal for the first time unicyclist or the regular rider ●Product 1: 16" available in chrome or red, 20" available in chrome, red, black, blue, or yellow, 24" available in chrome ●Product 1: Cartridge bearings for smooth pedaling ●Product 1: Quick release seat post clamp with comfortable saddle ●Product 2: Fits 16-24" Unicycles ●Product 2: Prevents tire from rolling ●Product 2: No assembly required ●Product 2: Black in color