Tillett T11T Kart Seat

The Tillett T11T Kart Seat is a medium-flex fibreglass kart seat developed for drivers who want to increase rear grip, improve chassis response, and fine-tune kart handling. As the medium-flex version of the popular Tillett T11 seat, the T11T sits between the T11STD and T11 in the flex range, making it a popular choice for racers looking for a balance of compliance and support across a wide range of karting conditions.

Widely used across Rotax, IAME, OK, and other senior karting classes, the Tillett T11T seat is designed to deliver the balance of support, comfort, and performance expected from a premium kart racing seat. Its ergonomic profile provides excellent rib and lower back support, helping to reduce driver fatigue during testing, practice, and race sessions, while the flat seat base promotes consistent weight distribution and suits many modern kart chassis setups.

For drivers searching for a Tillett kart seat that can help generate more rear-end traction without sacrificing comfort, the T11T is a proven option. Lightweight, durable, and engineered for competitive use, it is ideal for those wanting a high-quality kart seat for Rotax, X30, OK, and senior classes.

Key Features

• Medium-flex design to help improve rear grip and chassis compliance
• Medium flex — softer than the T11STD, firmer than the T11VG
• Ergonomic shape with strong rib and lower back support
• Flat base for stable seating position and even weight distribution
• Lightweight and durable fibreglass construction
• Suitable for Rotax, IAME, OK, and other senior karting categories
• Finished with classic Tillett branding

If you are looking for a medium-flex kart seat that offers proven performance, driver comfort, and trusted Tillett seat quality, the Tillett T11T Kart Seat is an excellent choice for competitive kart racers.