Professional racing shoes with carbon sole, unique patented Tecno 3 fastening system and retractable heel. Removable Sidi SRS sole system. Microfibra Techpro, a modern material resistant to mechanical damage and water penetration, is breathable, lightweight and environmentally friendly. The Single Tecno 3 Push clamping system enables quick handling when pushing and pushing, with buckles fine-tuning the clamping force. Adjustablethe foot part regulates hugging under the ankles and around Achilles tendon. Carbon SRB Carbon Ground MTB with interchangeable panels. Reinforcement on toe and toe protects against damage.