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  1. Carbon fiber fabrics are surface-coated with Z-axis oriented milled carbon fibers and processed into 3-D reinforced prepregs. These milled carbon fibers provide Z-axis interlaminar reinforcement that increases compressive toughness by over 300% and compressive strength by 35% without any detriment to stiffness. These improvements are important for the construction of light yet durable bicycles that prioritize the safety of cyclists. 
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