Description
FSA OS-99 CSI Stem
The FSA OS-99 CSI stem features the latest K-Force design and is crafted using CSI (Carbon Structural Integration), a process that permanently bonds carbon to aluminium to deliver the combined benefits of both materials.
3D forged and CNC-machined from AL2014 aluminium, the stem is finished with a UD carbon weave skin applied through the CSI process for added stiffness and reduced weight.A sculpted 4-bolt AL2014 aluminium/carbon faceplate and titanium screws further cut weight while maintaining strength and security.
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