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FSA FSA OS-99 CSI Alloy/Carbon Stem £169.96
FSA OS-99 CSI Alloy/Carbon Stem
FSA OS-99 CSI Alloy/Carbon Stem
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The FSA OS-99 Carbon Stem falls under FSA’s top end K-Force series. This series features the latest advancement in carbon composite and metal alloy technology coupled with state of the art manufacturing processes. K-Force components will always showcase the embodiment of what FSA’s dedication to advancements in the art of product development.

The K-Force OS-99 CSI is 3D forged and CNC machined from AL2014 before a uni-directional (UD) carbon weave skin is applied through the Carbon Structural Integration (CSI) process. The CSI stands for Carbon Structural Integration, which is designed to stiffen up a really light stem. A stiffer stem is a more durable stem. To maintain the flow of weight savings, the Energy stem uses a 4 bolt sculpted AL2014 Alloy/carbon faceplate with titanium hardware.

Angle: 6 Degrees
Lengths: 80-130mm
Stack Height: 41mm
Finish: UD Carbon
Weight: 126g (100mm)

NB: Image for illustration purposes only

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