WARNING: California’s Proposition 65
Proposition 65 Warning for California Consumers
Sidi Crossair X/HD Enduro Hyper Extension System Boot Accessories
The SIDI Hyper Extension System is engineered to help reduce the risk of ankle and foot overextension during demanding off-road and motocross riding. This replacement block system plays a critical role in controlling rearward movement, adding an extra layer of protection without restricting natural mobility. Designed to maintain the structural integrity of your boots, it allows you to replace worn components and keep your gear performing as intended. Hardware is included for straightforward installation.
New or Brand New - Brand new item in original packaging (original manufacturer's warranty may apply).
Refurbished - Professionally restored and in perfect working condition. Original packaging may be missing or slightly damaged.
Used - Item has seen limited use but remains in good working condition. May show some limited signs of wear with small scratches or cosmetic blemishes. May arrive with damaged packaging or be repackaged.
Refurbished, Without Tags - Same as refurbished. Item may arrive with mising labels or tags.
Refurbished, Last Call - Same as refurbished. Last call or closeout item.
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