SIDI Hyper Extension Block System 2025 R18B Heavy duty terminals - Easy

Heavy duty terminals - Easy to install

Models must be equipped with BMW luggage carrier

quick access to your essentials while on the move

Unlimited positioning with a 360° adjustment option

it is corrosion-resistant and precisely engineered for a perfect fit

SIDI Hyper Extension Block System 2025 R18B Heavy duty terminals - EasySPECS Fits Crossfire 3 SRS models Advanced hyperextension prevention technology Provides safety without limiting flexibility Comes with installation screws and attachments DESCRIPTION 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