Sidi Tecno-3 Push Short System Pair – Black/Yellow. The Sidi Tecno-3 Push Short System is a cutting-edge closure mechanism for cycling shoes known for its compact design and precise adjustability. With a push-button release for quick adjustments cyclists can easily customize the fit while on the go. This system ensures even pressure distribution across the foot enhancing comfort and stability during rides. Durable and user-friendly the Tecno-3 Push Short System provides cyclists with a reliable solution for achieving a personalized fit for optimal performance on the bike.