Bicycle Stands are supplied with most cheap bikes, but are left off the dearer ones as "serious" riders don't use stands. (They add unnecessary weight and rattles). However, many riders use and enjoy their bike stands. They can be easily divided into Centrefit Stands - The traditional style stand which fits behind the bottom bracket (where the crank axle goes through the bike.) These are a universal fitting stand, with either an adjustable and extendable leg length, or by shortening with a hacksaw. More stable though are Rear Axle Fit Stands. These are made in different sizes to suit different wheel sizes. More convenient to fit are the Stay Fit Stands that are basically like the axle fit stands but fit to the frame just in front of and just above the rear axle, so they don't interfere with removing and replacing the wheel.