The T5 kart seat is a World Championship winning product, used by drivers such as Lando Norris. The T5 shape is nowadays predominantly used by younger or smaller drivers. This model has a flat bottom and a more upright back position. The 63° back angle allows a powerful shoulder turn, which helps the very young racers. With the T5 model, Tillett created the first ever “flat bottom” style seat. This innovation was eventually replicated by many other brands, as the iconic design feature gives a favourable performance advantage. Standard is one of four rigidities. This is the most rigid of the four grades offered. Typically, we find the flexible options are more popular in modern frames. However, some drivers may require the Standard rigidity to balance their chassis.
