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FSA OS-99 CSI Stems

0/5 (0 Reviews)
MSRP : $179.99

Product Description

FSA has taken their lightweight aluminum OS-99 and wrapped it in a beautiful carbon 3k weave. The resulting carbon stem is not all show with very little go. What FSA ends up with is the OS-99 CSI. A stem that is stiffer and more durable wit...

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