Sidi Hyper Extension Block System｜ Other Products

The Sidi Hyper Extension Block System is a vital replacement part for Crossfire 3 SRS boots, 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.

Fits Crossfire 3 SRS models
Advanced hyperextension prevention technology
Provides safety without limiting flexibility
Comes with installation screws and attachments
Brand:SidiSKU:2438-0057-00COLOR:BlackSIZE:One Size