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Sidi Hyper Extension Block System Boot Accessories The SIDI Hyper Extension Block System is designed to prevent hyperextension of the ankle, instep, and posterior tendon during intense rides. Featuring a two-piece construction, this system enhances protection without compromising flexibility. Easy to install, it ensures your boots maintain their advanced protective features, helping to prevent injuries during off-road and motocross adventures. Advanced hyperextension prevention technology Provides safety without limiting flexibility Comes with installation screws and attachments SIDI Reference #: 155 Color: Black / Grey Size: One Size SKU: 2438-0057-00
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🇺🇸 Ship from USA · On Agora since 2025
$25.99