There are three major factors that come into play as regards foot pegs used on a motocross bike - stability, grip and control. Most pegs are aluminium, stainless steel or titanium, so that they will keep their top-quality finish even under the most arduous of conditions. Of course, the shape and the area in contact with the foot also have a role to play. Some manufacturers produce round-shaped foot pegs without crosspieces to facilitate cleaning while others prefer the square version. Some pegs can even be folded and pivoted in the direction of travel. What has always been and still remains paramount, though, is that the rider should have adequate and secure grip of his machine at all times, both when sitting and standing.
Furthermore, the motocross rider's grip depends on the type of spikes he's using which should basically be stainless. Removable spikes enable the rider to tailor foot pegs to suit his personal preferences, as the spikes allow the pegs to be adjusted as necessary. The more grip the rider's boots have, the better he can control and position himself and his motorcycle. The spikes have an extremely important role to play, especially in the Holeshot. Many riders shift their weight to the rear as far back as they can at the start in order to pick up even more speed and keep the bike safely on track. If there were any risk of slipping at this point, then the race would be over before it had even started.
The aim should be that rider and bike form one unit, in which everything is in perfect harmony and that also includes foot pegs which play an important role in deciding the outcome of the race.