Karting, compared to other forms of motorsport doesn’t have suspension fitted to them. So, when we look at ways to stiffen or soften the kart, the seat, axle, and seat struts have an effect.
When looking down the grid of your competition, it is easy to spot who is using seat struts and who isn’t. Some drivers will utilise two seat struts on the brake side of the seat and one on the engine side as it is harder to fit two