The O1/O2/O3 Replacement Cartridges from Black Diamond provide a large degree of travel for optimal downhill and touring performance. These pre-compressed spring cartridges have the largest diameter on the market. They provide a wide range of spring forces to help tailor your ride. For optimum performance we recommend that spring stiffness be matched to boot stiffness.
Features:
Specifications:
Specifications based on Midstiff.
