FSA OS-99 CSI Oversize Stem
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FSA OS-99 CSI Oversize Stem
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| Alloy / Carbon | 080mm x 31.8mm | Discontinued - no longer available | |||
| Alloy / Carbon | 090mm x 31.8mm | Discontinued - no longer available | |||
| Alloy / Carbon | 100mm x 31.8mm | Discontinued - no longer available | |||
| Alloy / Carbon | 110mm x 31.8mm | Discontinued - no longer available | |||
| Alloy / Carbon | 120mm x 31.8mm | Discontinued - no longer available | |||
| Alloy / Carbon | 130mm x 31.8mm | Discontinued - no longer available | |||
Top Features of the FSA OS-99 CSI Oversize Stem
Performing as a composite material in its own right the OS-99 CSI stem benefits from a dramatic reduction of typical fatigue phenomenon such as Stress Corrosion Cracking and Creep Propagation Cracking giving the stem unprecedented longevity.
- 3D forged, CNC machined from AL2014
- 3K carbon weave skin applied through the CSI process
- 4 bolt sculpted AL2014 alloy/carbon face plate
- Titanium hardware
- 31.8mm handlebar clamp diametre
- 6° rise
- Gloss carbon UD carbon finish
- Flip-flop colour graphics
- Weight: 122 grams (110mm)
- MTB
- Road
- Weight (g): 122
Carbon Structual Integration (CSI) is a process that permanently bonds carbon to alloy, to create a true hybrid product, with many of the benefits of aluminium and carbon resulting in a stiffer stem that has improved vibration damping properties.
About the FSA brand
The driving force of bicycle component maker Full Speed Ahead is well captured in their name. FSA stays ahead of the competition through design innovation and manufacturing expertise. FSA's manufacturing base is in Taiwan, but they are truly a global company, with offices in the USA & Italy that collaborate to direct FSA's component development. FSA offers solutions for speed across a broad range of bicycle components; from headsets to wheels; cranksets and bottom brackets, Vision Time Trial & Triathlon bars and handlebars & stems. Why FSA win: Using ceramic, stainless steel, titanium and a half dozen grades of aluminium and numerous composite materials including molded, tubular and high-compression plate carbon fibre gives them the ability to apply the perfect material to each specific application.
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