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The OS-99 CSI stem combines the strengths of both aluminium and carbon fibre resulting in a stiffer stem that has improved vibration damping properties. Performing as a composite material in its own right the OS-99 CSI stem benefits from a dramaitic reduction of typical fatigue phenomenon such as Stress Corrosion Cracking and Creep Propagation Cracking giving the stem unpresidented longevity.
Features:
- 3D forged, CNC machined from AL7050 and crabon wrapped
- 4 bolt sculpted SL faceplate
- Titanium hardware
- Ø31.8mm handlebar clamp diameter
- 35mm fork clamp stack height
- Gloss carbon 3K weave finish
- Flip-flop colour graphics
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